SQL: Support for escape sequences (#31884)

Enhance grammar to allow JDBC/ODBC escape sequences, namely
- date, time and timestamp {d ''}, {t ''} and {ts ''}
- guid {guid ''}
- LIKE escape {escape ''}
- scalar function {fn }

Fix #31883
This commit is contained in:
Costin Leau 2018-07-11 23:36:39 +03:00 committed by GitHub
parent 6136e49a05
commit dc633e0000
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 2829 additions and 1283 deletions

View File

@ -74,9 +74,14 @@ queryNoWith
: queryTerm : queryTerm
/** we could add sort by - sort per partition */ /** we could add sort by - sort per partition */
(ORDER BY orderBy (',' orderBy)*)? (ORDER BY orderBy (',' orderBy)*)?
(LIMIT limit=(INTEGER_VALUE | ALL))? limitClause?
; ;
limitClause
: LIMIT limit=(INTEGER_VALUE | ALL)
| LIMIT_ESC limit=(INTEGER_VALUE | ALL) ESC_END
;
queryTerm queryTerm
: querySpecification #queryPrimaryDefault : querySpecification #queryPrimaryDefault
| '(' queryNoWith ')' #subquery | '(' queryNoWith ')' #subquery
@ -185,7 +190,12 @@ predicate
; ;
pattern pattern
: value=string (ESCAPE escape=string)? : value=string patternEscape?
;
patternEscape
: ESCAPE escape=string
| ESCAPE_ESC escape=string '}'
; ;
valueExpression valueExpression
@ -197,18 +207,44 @@ valueExpression
; ;
primaryExpression primaryExpression
: CAST '(' expression AS dataType ')' #cast : castExpression #cast
| EXTRACT '(' field=identifier FROM valueExpression ')' #extract | extractExpression #extract
| constant #constantDefault | constant #constantDefault
| ASTERISK #star | ASTERISK #star
| (qualifiedName DOT)? ASTERISK #star | (qualifiedName DOT)? ASTERISK #star
| identifier '(' (setQuantifier? expression (',' expression)*)? ')' #functionCall | functionExpression #function
| '(' query ')' #subqueryExpression | '(' query ')' #subqueryExpression
| identifier #columnReference | identifier #columnReference
| qualifiedName #dereference | qualifiedName #dereference
| '(' expression ')' #parenthesizedExpression | '(' expression ')' #parenthesizedExpression
; ;
castExpression
: castTemplate
| FUNCTION_ESC castTemplate ESC_END
;
castTemplate
: CAST '(' expression AS dataType ')'
;
extractExpression
: extractTemplate
| FUNCTION_ESC extractTemplate ESC_END
;
extractTemplate
: EXTRACT '(' field=identifier FROM valueExpression ')'
;
functionExpression
: functionTemplate
| FUNCTION_ESC functionTemplate '}'
;
functionTemplate
: identifier '(' (setQuantifier? expression (',' expression)*)? ')'
;
constant constant
: NULL #nullLiteral : NULL #nullLiteral
@ -216,6 +252,10 @@ constant
| booleanValue #booleanLiteral | booleanValue #booleanLiteral
| STRING+ #stringLiteral | STRING+ #stringLiteral
| PARAM #paramLiteral | PARAM #paramLiteral
| DATE_ESC string ESC_END #dateEscapedLiteral
| TIME_ESC string ESC_END #timeEscapedLiteral
| TIMESTAMP_ESC string ESC_END #timestampEscapedLiteral
| GUID_ESC string ESC_END #guidEscapedLiteral
; ;
comparisonOperator comparisonOperator
@ -351,6 +391,18 @@ VERIFY: 'VERIFY';
WHERE: 'WHERE'; WHERE: 'WHERE';
WITH: 'WITH'; WITH: 'WITH';
// Escaped Sequence
ESCAPE_ESC: '{ESCAPE';
FUNCTION_ESC: '{FN';
LIMIT_ESC:'{LIMIT';
DATE_ESC: '{D';
TIME_ESC: '{T';
TIMESTAMP_ESC: '{TS';
// mapped to string literal
GUID_ESC: '{GUID';
ESC_END: '}';
EQ : '='; EQ : '=';
NEQ : '<>' | '!=' | '<=>'; NEQ : '<>' | '!=' | '<=>';
LT : '<'; LT : '<';

View File

@ -69,33 +69,41 @@ USING=68
VERIFY=69 VERIFY=69
WHERE=70 WHERE=70
WITH=71 WITH=71
EQ=72 ESCAPE_ESC=72
NEQ=73 FUNCTION_ESC=73
LT=74 LIMIT_ESC=74
LTE=75 DATE_ESC=75
GT=76 TIME_ESC=76
GTE=77 TIMESTAMP_ESC=77
PLUS=78 GUID_ESC=78
MINUS=79 ESC_END=79
ASTERISK=80 EQ=80
SLASH=81 NEQ=81
PERCENT=82 LT=82
CONCAT=83 LTE=83
DOT=84 GT=84
PARAM=85 GTE=85
STRING=86 PLUS=86
INTEGER_VALUE=87 MINUS=87
DECIMAL_VALUE=88 ASTERISK=88
IDENTIFIER=89 SLASH=89
DIGIT_IDENTIFIER=90 PERCENT=90
TABLE_IDENTIFIER=91 CONCAT=91
QUOTED_IDENTIFIER=92 DOT=92
BACKQUOTED_IDENTIFIER=93 PARAM=93
SIMPLE_COMMENT=94 STRING=94
BRACKETED_COMMENT=95 INTEGER_VALUE=95
WS=96 DECIMAL_VALUE=96
UNRECOGNIZED=97 IDENTIFIER=97
DELIMITER=98 DIGIT_IDENTIFIER=98
TABLE_IDENTIFIER=99
QUOTED_IDENTIFIER=100
BACKQUOTED_IDENTIFIER=101
SIMPLE_COMMENT=102
BRACKETED_COMMENT=103
WS=104
UNRECOGNIZED=105
DELIMITER=106
'('=1 '('=1
')'=2 ')'=2
','=3 ','=3
@ -167,16 +175,24 @@ DELIMITER=98
'VERIFY'=69 'VERIFY'=69
'WHERE'=70 'WHERE'=70
'WITH'=71 'WITH'=71
'='=72 '{ESCAPE'=72
'<'=74 '{FN'=73
'<='=75 '{LIMIT'=74
'>'=76 '{D'=75
'>='=77 '{T'=76
'+'=78 '{TS'=77
'-'=79 '{GUID'=78
'*'=80 '}'=79
'/'=81 '='=80
'%'=82 '<'=82
'||'=83 '<='=83
'.'=84 '>'=84
'?'=85 '>='=85
'+'=86
'-'=87
'*'=88
'/'=89
'%'=90
'||'=91
'.'=92
'?'=93

View File

@ -69,32 +69,40 @@ USING=68
VERIFY=69 VERIFY=69
WHERE=70 WHERE=70
WITH=71 WITH=71
EQ=72 ESCAPE_ESC=72
NEQ=73 FUNCTION_ESC=73
LT=74 LIMIT_ESC=74
LTE=75 DATE_ESC=75
GT=76 TIME_ESC=76
GTE=77 TIMESTAMP_ESC=77
PLUS=78 GUID_ESC=78
MINUS=79 ESC_END=79
ASTERISK=80 EQ=80
SLASH=81 NEQ=81
PERCENT=82 LT=82
CONCAT=83 LTE=83
DOT=84 GT=84
PARAM=85 GTE=85
STRING=86 PLUS=86
INTEGER_VALUE=87 MINUS=87
DECIMAL_VALUE=88 ASTERISK=88
IDENTIFIER=89 SLASH=89
DIGIT_IDENTIFIER=90 PERCENT=90
TABLE_IDENTIFIER=91 CONCAT=91
QUOTED_IDENTIFIER=92 DOT=92
BACKQUOTED_IDENTIFIER=93 PARAM=93
SIMPLE_COMMENT=94 STRING=94
BRACKETED_COMMENT=95 INTEGER_VALUE=95
WS=96 DECIMAL_VALUE=96
UNRECOGNIZED=97 IDENTIFIER=97
DIGIT_IDENTIFIER=98
TABLE_IDENTIFIER=99
QUOTED_IDENTIFIER=100
BACKQUOTED_IDENTIFIER=101
SIMPLE_COMMENT=102
BRACKETED_COMMENT=103
WS=104
UNRECOGNIZED=105
'('=1 '('=1
')'=2 ')'=2
','=3 ','=3
@ -166,16 +174,24 @@ UNRECOGNIZED=97
'VERIFY'=69 'VERIFY'=69
'WHERE'=70 'WHERE'=70
'WITH'=71 'WITH'=71
'='=72 '{ESCAPE'=72
'<'=74 '{FN'=73
'<='=75 '{LIMIT'=74
'>'=76 '{D'=75
'>='=77 '{T'=76
'+'=78 '{TS'=77
'-'=79 '{GUID'=78
'*'=80 '}'=79
'/'=81 '='=80
'%'=82 '<'=82
'||'=83 '<='=83
'.'=84 '>'=84
'?'=85 '>='=85
'+'=86
'-'=87
'*'=88
'/'=89
'%'=90
'||'=91
'.'=92
'?'=93

View File

@ -20,6 +20,7 @@ import org.elasticsearch.xpack.sql.expression.Order;
import org.elasticsearch.xpack.sql.expression.ScalarSubquery; import org.elasticsearch.xpack.sql.expression.ScalarSubquery;
import org.elasticsearch.xpack.sql.expression.UnresolvedAttribute; import org.elasticsearch.xpack.sql.expression.UnresolvedAttribute;
import org.elasticsearch.xpack.sql.expression.UnresolvedStar; import org.elasticsearch.xpack.sql.expression.UnresolvedStar;
import org.elasticsearch.xpack.sql.expression.function.Function;
import org.elasticsearch.xpack.sql.expression.function.UnresolvedFunction; import org.elasticsearch.xpack.sql.expression.function.UnresolvedFunction;
import org.elasticsearch.xpack.sql.expression.function.scalar.Cast; import org.elasticsearch.xpack.sql.expression.function.scalar.Cast;
import org.elasticsearch.xpack.sql.expression.function.scalar.arithmetic.Add; import org.elasticsearch.xpack.sql.expression.function.scalar.arithmetic.Add;
@ -48,14 +49,19 @@ import org.elasticsearch.xpack.sql.expression.regex.RLike;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ArithmeticBinaryContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ArithmeticBinaryContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ArithmeticUnaryContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ArithmeticUnaryContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.BooleanLiteralContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.BooleanLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.CastContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.CastExpressionContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.CastTemplateContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ColumnReferenceContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ColumnReferenceContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ComparisonContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ComparisonContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.DateEscapedLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.DecimalLiteralContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.DecimalLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.DereferenceContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.DereferenceContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ExistsContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ExistsContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ExtractContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ExtractExpressionContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.FunctionCallContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ExtractTemplateContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.FunctionExpressionContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.FunctionTemplateContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.GuidEscapedLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.IntegerLiteralContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.IntegerLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.LogicalBinaryContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.LogicalBinaryContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.LogicalNotContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.LogicalNotContext;
@ -66,6 +72,7 @@ import org.elasticsearch.xpack.sql.parser.SqlBaseParser.OrderByContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ParamLiteralContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ParamLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ParenthesizedExpressionContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.ParenthesizedExpressionContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PatternContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PatternContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PatternEscapeContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PredicateContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PredicateContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PredicatedContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PredicatedContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PrimitiveDataTypeContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.PrimitiveDataTypeContext;
@ -76,10 +83,16 @@ import org.elasticsearch.xpack.sql.parser.SqlBaseParser.StringContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.StringLiteralContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.StringLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.StringQueryContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.StringQueryContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.SubqueryExpressionContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.SubqueryExpressionContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.TimeEscapedLiteralContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.TimestampEscapedLiteralContext;
import org.elasticsearch.xpack.sql.proto.SqlTypedParamValue; import org.elasticsearch.xpack.sql.proto.SqlTypedParamValue;
import org.elasticsearch.xpack.sql.tree.Location; import org.elasticsearch.xpack.sql.tree.Location;
import org.elasticsearch.xpack.sql.type.DataType; import org.elasticsearch.xpack.sql.type.DataType;
import org.elasticsearch.xpack.sql.type.DataTypes; import org.elasticsearch.xpack.sql.type.DataTypes;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.DateTimeFormatterBuilder;
import org.joda.time.format.ISODateTimeFormat;
import java.math.BigDecimal; import java.math.BigDecimal;
import java.util.List; import java.util.List;
@ -222,17 +235,18 @@ abstract class ExpressionBuilder extends IdentifierBuilder {
} }
char escape = 0; char escape = 0;
String escapeString = string(ctx.escape); PatternEscapeContext escapeCtx = ctx.patternEscape();
String escapeString = escapeCtx == null ? null : string(escapeCtx.escape);
if (Strings.hasText(escapeString)) { if (Strings.hasText(escapeString)) {
// shouldn't happen but adding validation in case the string parsing gets wonky // shouldn't happen but adding validation in case the string parsing gets wonky
if (escapeString.length() > 1) { if (escapeString.length() > 1) {
throw new ParsingException(source(ctx.escape), "A character not a string required for escaping; found [{}]", escapeString); throw new ParsingException(source(escapeCtx), "A character not a string required for escaping; found [{}]", escapeString);
} else if (escapeString.length() == 1) { } else if (escapeString.length() == 1) {
escape = escapeString.charAt(0); escape = escapeString.charAt(0);
// these chars already have a meaning // these chars already have a meaning
if (escape == '*' || escape == '%' || escape == '_') { if (escape == '*' || escape == '%' || escape == '_') {
throw new ParsingException(source(ctx.escape), "Char [{}] cannot be used for escaping", escape); throw new ParsingException(source(escapeCtx.escape), "Char [{}] cannot be used for escaping", escape);
} }
// lastly validate that escape chars (if present) are followed by special chars // lastly validate that escape chars (if present) are followed by special chars
for (int i = 0; i < pattern.length(); i++) { for (int i = 0; i < pattern.length(); i++) {
@ -324,11 +338,6 @@ abstract class ExpressionBuilder extends IdentifierBuilder {
ctx.DESC() != null ? Order.OrderDirection.DESC : Order.OrderDirection.ASC); ctx.DESC() != null ? Order.OrderDirection.DESC : Order.OrderDirection.ASC);
} }
@Override
public Object visitCast(CastContext ctx) {
return new Cast(source(ctx), expression(ctx.expression()), typedParsing(ctx.dataType(), DataType.class));
}
@Override @Override
public DataType visitPrimitiveDataType(PrimitiveDataTypeContext ctx) { public DataType visitPrimitiveDataType(PrimitiveDataTypeContext ctx) {
String type = visitIdentifier(ctx.identifier()).toLowerCase(Locale.ROOT); String type = visitIdentifier(ctx.identifier()).toLowerCase(Locale.ROOT);
@ -367,20 +376,32 @@ abstract class ExpressionBuilder extends IdentifierBuilder {
} }
} }
//
// Functions template
//
@Override @Override
public Object visitFunctionCall(FunctionCallContext ctx) { public Cast visitCastExpression(CastExpressionContext ctx) {
String name = visitIdentifier(ctx.identifier()); CastTemplateContext ctc = ctx.castTemplate();
boolean isDistinct = ctx.setQuantifier() != null && ctx.setQuantifier().DISTINCT() != null; return new Cast(source(ctc), expression(ctc.expression()), typedParsing(ctc.dataType(), DataType.class));
UnresolvedFunction.ResolutionType resolutionType =
isDistinct ? UnresolvedFunction.ResolutionType.DISTINCT : UnresolvedFunction.ResolutionType.STANDARD;
return new UnresolvedFunction(source(ctx), name, resolutionType, expressions(ctx.expression()));
} }
@Override @Override
public Object visitExtract(ExtractContext ctx) { public Function visitExtractExpression(ExtractExpressionContext ctx) {
String fieldString = visitIdentifier(ctx.field); ExtractTemplateContext template = ctx.extractTemplate();
return new UnresolvedFunction(source(ctx), fieldString, String fieldString = visitIdentifier(template.field);
UnresolvedFunction.ResolutionType.EXTRACT, singletonList(expression(ctx.valueExpression()))); return new UnresolvedFunction(source(template), fieldString,
UnresolvedFunction.ResolutionType.EXTRACT, singletonList(expression(template.valueExpression())));
}
@Override
public Function visitFunctionExpression(FunctionExpressionContext ctx) {
FunctionTemplateContext template = ctx.functionTemplate();
String name = visitIdentifier(template.identifier());
boolean isDistinct = template.setQuantifier() != null && template.setQuantifier().DISTINCT() != null;
UnresolvedFunction.ResolutionType resolutionType =
isDistinct ? UnresolvedFunction.ResolutionType.DISTINCT : UnresolvedFunction.ResolutionType.STANDARD;
return new UnresolvedFunction(source(ctx), name, resolutionType, expressions(template.expression()));
} }
@Override @Override
@ -445,12 +466,12 @@ abstract class ExpressionBuilder extends IdentifierBuilder {
} }
@Override @Override
public Object visitDecimalLiteral(DecimalLiteralContext ctx) { public Literal visitDecimalLiteral(DecimalLiteralContext ctx) {
return new Literal(source(ctx), new BigDecimal(ctx.getText()).doubleValue(), DataType.DOUBLE); return new Literal(source(ctx), new BigDecimal(ctx.getText()).doubleValue(), DataType.DOUBLE);
} }
@Override @Override
public Object visitIntegerLiteral(IntegerLiteralContext ctx) { public Literal visitIntegerLiteral(IntegerLiteralContext ctx) {
BigDecimal bigD = new BigDecimal(ctx.getText()); BigDecimal bigD = new BigDecimal(ctx.getText());
long value = bigD.longValueExact(); long value = bigD.longValueExact();
@ -463,7 +484,7 @@ abstract class ExpressionBuilder extends IdentifierBuilder {
} }
@Override @Override
public Object visitParamLiteral(ParamLiteralContext ctx) { public Literal visitParamLiteral(ParamLiteralContext ctx) {
SqlTypedParamValue param = param(ctx.PARAM()); SqlTypedParamValue param = param(ctx.PARAM());
Location loc = source(ctx); Location loc = source(ctx);
if (param.value == null) { if (param.value == null) {
@ -522,4 +543,100 @@ abstract class ExpressionBuilder extends IdentifierBuilder {
return params.get(token); return params.get(token);
} }
}
@Override
public Literal visitDateEscapedLiteral(DateEscapedLiteralContext ctx) {
String string = string(ctx.string());
Location loc = source(ctx);
// parse yyyy-MM-dd
DateTime dt = null;
try {
dt = ISODateTimeFormat.date().parseDateTime(string);
} catch(IllegalArgumentException ex) {
throw new ParsingException(loc, "Invalid date received; {}", ex.getMessage());
}
return new Literal(loc, dt, DataType.DATE);
}
@Override
public Literal visitTimeEscapedLiteral(TimeEscapedLiteralContext ctx) {
String string = string(ctx.string());
Location loc = source(ctx);
// parse HH:mm:ss
DateTime dt = null;
try {
dt = ISODateTimeFormat.hourMinuteSecond().parseDateTime(string);
} catch (IllegalArgumentException ex) {
throw new ParsingException(loc, "Invalid time received; {}", ex.getMessage());
}
throw new SqlIllegalArgumentException("Time (only) literals are not supported; a date component is required as well");
}
@Override
public Literal visitTimestampEscapedLiteral(TimestampEscapedLiteralContext ctx) {
String string = string(ctx.string());
Location loc = source(ctx);
// parse yyyy-mm-dd hh:mm:ss(.f...)
DateTime dt = null;
try {
DateTimeFormatter formatter = new DateTimeFormatterBuilder()
.append(ISODateTimeFormat.date())
.appendLiteral(" ")
.append(ISODateTimeFormat.hourMinuteSecondFraction())
.toFormatter();
dt = formatter.parseDateTime(string);
} catch (IllegalArgumentException ex) {
throw new ParsingException(loc, "Invalid timestamp received; {}", ex.getMessage());
}
return new Literal(loc, dt, DataType.DATE);
}
@Override
public Literal visitGuidEscapedLiteral(GuidEscapedLiteralContext ctx) {
String string = string(ctx.string());
Location loc = source(ctx.string());
// basic validation
String lowerCase = string.toLowerCase(Locale.ROOT);
// needs to be format nnnnnnnn-nnnn-nnnn-nnnn-nnnnnnnnnnnn
// since the length is fixed, the validation happens on absolute values
// not pretty but it's fast and doesn't create any extra objects
String errorPrefix = "Invalid GUID, ";
if (lowerCase.length() != 36) {
throw new ParsingException(loc, "{}too {}", errorPrefix, lowerCase.length() > 36 ? "long" : "short");
}
int[] separatorPos = { 8, 13, 18, 23 };
for (int pos : separatorPos) {
if (lowerCase.charAt(pos) != '-') {
throw new ParsingException(loc, "{}expected group separator at offset [{}], found [{}]",
errorPrefix, pos, string.charAt(pos));
}
}
String HEXA = "0123456789abcdef";
for (int i = 0; i < lowerCase.length(); i++) {
// skip separators
boolean inspect = true;
for (int pos : separatorPos) {
if (i == pos) {
inspect = false;
break;
} else if (pos > i) {
break;
}
}
if (inspect && HEXA.indexOf(lowerCase.charAt(i)) < 0) {
throw new ParsingException(loc, "{}expected hexadecimal at offset[{}], found [{}]", errorPrefix, i, string.charAt(i));
}
}
return new Literal(source(ctx), string, DataType.KEYWORD);
}
}

View File

@ -19,6 +19,7 @@ import org.elasticsearch.xpack.sql.parser.SqlBaseParser.GroupByContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.JoinCriteriaContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.JoinCriteriaContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.JoinRelationContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.JoinRelationContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.JoinTypeContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.JoinTypeContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.LimitClauseContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.NamedQueryContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.NamedQueryContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.QueryContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.QueryContext;
import org.elasticsearch.xpack.sql.parser.SqlBaseParser.QueryNoWithContext; import org.elasticsearch.xpack.sql.parser.SqlBaseParser.QueryNoWithContext;
@ -89,9 +90,13 @@ abstract class LogicalPlanBuilder extends ExpressionBuilder {
plan = new OrderBy(source(ctx.ORDER()), plan, visitList(ctx.orderBy(), Order.class)); plan = new OrderBy(source(ctx.ORDER()), plan, visitList(ctx.orderBy(), Order.class));
} }
if (ctx.limit != null && ctx.INTEGER_VALUE() != null) { LimitClauseContext limitClause = ctx.limitClause();
plan = new Limit(source(ctx.limit), new Literal(source(ctx), if (limitClause != null) {
Integer.parseInt(ctx.limit.getText()), DataType.INTEGER), plan); Token limit = limitClause.limit;
if (limit != null && limitClause.INTEGER_VALUE() != null) {
plan = new Limit(source(limitClause), new Literal(source(limitClause),
Integer.parseInt(limit.getText()), DataType.INTEGER), plan);
}
} }
return plan; return plan;

View File

@ -1,8 +1,3 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
// ANTLR GENERATED CODE: DO NOT EDIT // ANTLR GENERATED CODE: DO NOT EDIT
package org.elasticsearch.xpack.sql.parser; package org.elasticsearch.xpack.sql.parser;
@ -208,6 +203,18 @@ class SqlBaseBaseListener implements SqlBaseListener {
* <p>The default implementation does nothing.</p> * <p>The default implementation does nothing.</p>
*/ */
@Override public void exitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx) { } @Override public void exitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterLimitClause(SqlBaseParser.LimitClauseContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitLimitClause(SqlBaseParser.LimitClauseContext ctx) { }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -556,6 +563,18 @@ class SqlBaseBaseListener implements SqlBaseListener {
* <p>The default implementation does nothing.</p> * <p>The default implementation does nothing.</p>
*/ */
@Override public void exitPattern(SqlBaseParser.PatternContext ctx) { } @Override public void exitPattern(SqlBaseParser.PatternContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterPatternEscape(SqlBaseParser.PatternEscapeContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitPatternEscape(SqlBaseParser.PatternEscapeContext ctx) { }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -657,13 +676,13 @@ class SqlBaseBaseListener implements SqlBaseListener {
* *
* <p>The default implementation does nothing.</p> * <p>The default implementation does nothing.</p>
*/ */
@Override public void enterFunctionCall(SqlBaseParser.FunctionCallContext ctx) { } @Override public void enterFunction(SqlBaseParser.FunctionContext ctx) { }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
* <p>The default implementation does nothing.</p> * <p>The default implementation does nothing.</p>
*/ */
@Override public void exitFunctionCall(SqlBaseParser.FunctionCallContext ctx) { } @Override public void exitFunction(SqlBaseParser.FunctionContext ctx) { }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -712,6 +731,78 @@ class SqlBaseBaseListener implements SqlBaseListener {
* <p>The default implementation does nothing.</p> * <p>The default implementation does nothing.</p>
*/ */
@Override public void exitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx) { } @Override public void exitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterCastExpression(SqlBaseParser.CastExpressionContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitCastExpression(SqlBaseParser.CastExpressionContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterCastTemplate(SqlBaseParser.CastTemplateContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitCastTemplate(SqlBaseParser.CastTemplateContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterExtractExpression(SqlBaseParser.ExtractExpressionContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitExtractExpression(SqlBaseParser.ExtractExpressionContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterExtractTemplate(SqlBaseParser.ExtractTemplateContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitExtractTemplate(SqlBaseParser.ExtractTemplateContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterFunctionExpression(SqlBaseParser.FunctionExpressionContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitFunctionExpression(SqlBaseParser.FunctionExpressionContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterFunctionTemplate(SqlBaseParser.FunctionTemplateContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitFunctionTemplate(SqlBaseParser.FunctionTemplateContext ctx) { }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -772,6 +863,54 @@ class SqlBaseBaseListener implements SqlBaseListener {
* <p>The default implementation does nothing.</p> * <p>The default implementation does nothing.</p>
*/ */
@Override public void exitParamLiteral(SqlBaseParser.ParamLiteralContext ctx) { } @Override public void exitParamLiteral(SqlBaseParser.ParamLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterDateEscapedLiteral(SqlBaseParser.DateEscapedLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitDateEscapedLiteral(SqlBaseParser.DateEscapedLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterTimeEscapedLiteral(SqlBaseParser.TimeEscapedLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitTimeEscapedLiteral(SqlBaseParser.TimeEscapedLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterTimestampEscapedLiteral(SqlBaseParser.TimestampEscapedLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitTimestampEscapedLiteral(SqlBaseParser.TimestampEscapedLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void enterGuidEscapedLiteral(SqlBaseParser.GuidEscapedLiteralContext ctx) { }
/**
* {@inheritDoc}
*
* <p>The default implementation does nothing.</p>
*/
@Override public void exitGuidEscapedLiteral(SqlBaseParser.GuidEscapedLiteralContext ctx) { }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *

View File

@ -1,8 +1,3 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
// ANTLR GENERATED CODE: DO NOT EDIT // ANTLR GENERATED CODE: DO NOT EDIT
package org.elasticsearch.xpack.sql.parser; package org.elasticsearch.xpack.sql.parser;
import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor; import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
@ -128,6 +123,13 @@ class SqlBaseBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements SqlBa
* {@link #visitChildren} on {@code ctx}.</p> * {@link #visitChildren} on {@code ctx}.</p>
*/ */
@Override public T visitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx) { return visitChildren(ctx); } @Override public T visitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitLimitClause(SqlBaseParser.LimitClauseContext ctx) { return visitChildren(ctx); }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -331,6 +333,13 @@ class SqlBaseBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements SqlBa
* {@link #visitChildren} on {@code ctx}.</p> * {@link #visitChildren} on {@code ctx}.</p>
*/ */
@Override public T visitPattern(SqlBaseParser.PatternContext ctx) { return visitChildren(ctx); } @Override public T visitPattern(SqlBaseParser.PatternContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitPatternEscape(SqlBaseParser.PatternEscapeContext ctx) { return visitChildren(ctx); }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -393,7 +402,7 @@ class SqlBaseBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements SqlBa
* <p>The default implementation returns the result of calling * <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p> * {@link #visitChildren} on {@code ctx}.</p>
*/ */
@Override public T visitFunctionCall(SqlBaseParser.FunctionCallContext ctx) { return visitChildren(ctx); } @Override public T visitFunction(SqlBaseParser.FunctionContext ctx) { return visitChildren(ctx); }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -422,6 +431,48 @@ class SqlBaseBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements SqlBa
* {@link #visitChildren} on {@code ctx}.</p> * {@link #visitChildren} on {@code ctx}.</p>
*/ */
@Override public T visitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx) { return visitChildren(ctx); } @Override public T visitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitCastExpression(SqlBaseParser.CastExpressionContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitCastTemplate(SqlBaseParser.CastTemplateContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitExtractExpression(SqlBaseParser.ExtractExpressionContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitExtractTemplate(SqlBaseParser.ExtractTemplateContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitFunctionExpression(SqlBaseParser.FunctionExpressionContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitFunctionTemplate(SqlBaseParser.FunctionTemplateContext ctx) { return visitChildren(ctx); }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *
@ -457,6 +508,34 @@ class SqlBaseBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements SqlBa
* {@link #visitChildren} on {@code ctx}.</p> * {@link #visitChildren} on {@code ctx}.</p>
*/ */
@Override public T visitParamLiteral(SqlBaseParser.ParamLiteralContext ctx) { return visitChildren(ctx); } @Override public T visitParamLiteral(SqlBaseParser.ParamLiteralContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitDateEscapedLiteral(SqlBaseParser.DateEscapedLiteralContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitTimeEscapedLiteral(SqlBaseParser.TimeEscapedLiteralContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitTimestampEscapedLiteral(SqlBaseParser.TimestampEscapedLiteralContext ctx) { return visitChildren(ctx); }
/**
* {@inheritDoc}
*
* <p>The default implementation returns the result of calling
* {@link #visitChildren} on {@code ctx}.</p>
*/
@Override public T visitGuidEscapedLiteral(SqlBaseParser.GuidEscapedLiteralContext ctx) { return visitChildren(ctx); }
/** /**
* {@inheritDoc} * {@inheritDoc}
* *

View File

@ -1,15 +1,13 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
// ANTLR GENERATED CODE: DO NOT EDIT // ANTLR GENERATED CODE: DO NOT EDIT
package org.elasticsearch.xpack.sql.parser; package org.elasticsearch.xpack.sql.parser;
import org.antlr.v4.runtime.Lexer; import org.antlr.v4.runtime.Lexer;
import org.antlr.v4.runtime.CharStream; import org.antlr.v4.runtime.CharStream;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.TokenStream;
import org.antlr.v4.runtime.*; import org.antlr.v4.runtime.*;
import org.antlr.v4.runtime.atn.*; import org.antlr.v4.runtime.atn.*;
import org.antlr.v4.runtime.dfa.DFA; import org.antlr.v4.runtime.dfa.DFA;
import org.antlr.v4.runtime.misc.*;
@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"}) @SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast"})
class SqlBaseLexer extends Lexer { class SqlBaseLexer extends Lexer {
@ -28,11 +26,13 @@ class SqlBaseLexer extends Lexer {
NOT=45, NULL=46, ON=47, OPTIMIZED=48, OR=49, ORDER=50, OUTER=51, PARSED=52, NOT=45, NULL=46, ON=47, OPTIMIZED=48, OR=49, ORDER=50, OUTER=51, PARSED=52,
PHYSICAL=53, PLAN=54, RIGHT=55, RLIKE=56, QUERY=57, SCHEMAS=58, SELECT=59, PHYSICAL=53, PLAN=54, RIGHT=55, RLIKE=56, QUERY=57, SCHEMAS=58, SELECT=59,
SHOW=60, SYS=61, TABLE=62, TABLES=63, TEXT=64, TRUE=65, TYPE=66, TYPES=67, SHOW=60, SYS=61, TABLE=62, TABLES=63, TEXT=64, TRUE=65, TYPE=66, TYPES=67,
USING=68, VERIFY=69, WHERE=70, WITH=71, EQ=72, NEQ=73, LT=74, LTE=75, USING=68, VERIFY=69, WHERE=70, WITH=71, ESCAPE_ESC=72, FUNCTION_ESC=73,
GT=76, GTE=77, PLUS=78, MINUS=79, ASTERISK=80, SLASH=81, PERCENT=82, CONCAT=83, LIMIT_ESC=74, DATE_ESC=75, TIME_ESC=76, TIMESTAMP_ESC=77, GUID_ESC=78,
DOT=84, PARAM=85, STRING=86, INTEGER_VALUE=87, DECIMAL_VALUE=88, IDENTIFIER=89, ESC_END=79, EQ=80, NEQ=81, LT=82, LTE=83, GT=84, GTE=85, PLUS=86, MINUS=87,
DIGIT_IDENTIFIER=90, TABLE_IDENTIFIER=91, QUOTED_IDENTIFIER=92, BACKQUOTED_IDENTIFIER=93, ASTERISK=88, SLASH=89, PERCENT=90, CONCAT=91, DOT=92, PARAM=93, STRING=94,
SIMPLE_COMMENT=94, BRACKETED_COMMENT=95, WS=96, UNRECOGNIZED=97; INTEGER_VALUE=95, DECIMAL_VALUE=96, IDENTIFIER=97, DIGIT_IDENTIFIER=98,
TABLE_IDENTIFIER=99, QUOTED_IDENTIFIER=100, BACKQUOTED_IDENTIFIER=101,
SIMPLE_COMMENT=102, BRACKETED_COMMENT=103, WS=104, UNRECOGNIZED=105;
public static String[] modeNames = { public static String[] modeNames = {
"DEFAULT_MODE" "DEFAULT_MODE"
}; };
@ -46,12 +46,13 @@ class SqlBaseLexer extends Lexer {
"LIMIT", "MAPPED", "MATCH", "NATURAL", "NOT", "NULL", "ON", "OPTIMIZED", "LIMIT", "MAPPED", "MATCH", "NATURAL", "NOT", "NULL", "ON", "OPTIMIZED",
"OR", "ORDER", "OUTER", "PARSED", "PHYSICAL", "PLAN", "RIGHT", "RLIKE", "OR", "ORDER", "OUTER", "PARSED", "PHYSICAL", "PLAN", "RIGHT", "RLIKE",
"QUERY", "SCHEMAS", "SELECT", "SHOW", "SYS", "TABLE", "TABLES", "TEXT", "QUERY", "SCHEMAS", "SELECT", "SHOW", "SYS", "TABLE", "TABLES", "TEXT",
"TRUE", "TYPE", "TYPES", "USING", "VERIFY", "WHERE", "WITH", "EQ", "NEQ", "TRUE", "TYPE", "TYPES", "USING", "VERIFY", "WHERE", "WITH", "ESCAPE_ESC",
"LT", "LTE", "GT", "GTE", "PLUS", "MINUS", "ASTERISK", "SLASH", "PERCENT", "FUNCTION_ESC", "LIMIT_ESC", "DATE_ESC", "TIME_ESC", "TIMESTAMP_ESC",
"CONCAT", "DOT", "PARAM", "STRING", "INTEGER_VALUE", "DECIMAL_VALUE", "GUID_ESC", "ESC_END", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", "PLUS",
"IDENTIFIER", "DIGIT_IDENTIFIER", "TABLE_IDENTIFIER", "QUOTED_IDENTIFIER", "MINUS", "ASTERISK", "SLASH", "PERCENT", "CONCAT", "DOT", "PARAM", "STRING",
"BACKQUOTED_IDENTIFIER", "EXPONENT", "DIGIT", "LETTER", "SIMPLE_COMMENT", "INTEGER_VALUE", "DECIMAL_VALUE", "IDENTIFIER", "DIGIT_IDENTIFIER", "TABLE_IDENTIFIER",
"BRACKETED_COMMENT", "WS", "UNRECOGNIZED" "QUOTED_IDENTIFIER", "BACKQUOTED_IDENTIFIER", "EXPONENT", "DIGIT", "LETTER",
"SIMPLE_COMMENT", "BRACKETED_COMMENT", "WS", "UNRECOGNIZED"
}; };
private static final String[] _LITERAL_NAMES = { private static final String[] _LITERAL_NAMES = {
@ -65,8 +66,9 @@ class SqlBaseLexer extends Lexer {
"'OR'", "'ORDER'", "'OUTER'", "'PARSED'", "'PHYSICAL'", "'PLAN'", "'RIGHT'", "'OR'", "'ORDER'", "'OUTER'", "'PARSED'", "'PHYSICAL'", "'PLAN'", "'RIGHT'",
"'RLIKE'", "'QUERY'", "'SCHEMAS'", "'SELECT'", "'SHOW'", "'SYS'", "'TABLE'", "'RLIKE'", "'QUERY'", "'SCHEMAS'", "'SELECT'", "'SHOW'", "'SYS'", "'TABLE'",
"'TABLES'", "'TEXT'", "'TRUE'", "'TYPE'", "'TYPES'", "'USING'", "'VERIFY'", "'TABLES'", "'TEXT'", "'TRUE'", "'TYPE'", "'TYPES'", "'USING'", "'VERIFY'",
"'WHERE'", "'WITH'", "'='", null, "'<'", "'<='", "'>'", "'>='", "'+'", "'WHERE'", "'WITH'", "'{ESCAPE'", "'{FN'", "'{LIMIT'", "'{D'", "'{T'",
"'-'", "'*'", "'/'", "'%'", "'||'", "'.'", "'?'" "'{TS'", "'{GUID'", "'}'", "'='", null, "'<'", "'<='", "'>'", "'>='",
"'+'", "'-'", "'*'", "'/'", "'%'", "'||'", "'.'", "'?'"
}; };
private static final String[] _SYMBOLIC_NAMES = { private static final String[] _SYMBOLIC_NAMES = {
null, null, null, null, null, "ALL", "ANALYZE", "ANALYZED", "AND", "ANY", null, null, null, null, null, "ALL", "ANALYZE", "ANALYZED", "AND", "ANY",
@ -77,12 +79,13 @@ class SqlBaseLexer extends Lexer {
"LIMIT", "MAPPED", "MATCH", "NATURAL", "NOT", "NULL", "ON", "OPTIMIZED", "LIMIT", "MAPPED", "MATCH", "NATURAL", "NOT", "NULL", "ON", "OPTIMIZED",
"OR", "ORDER", "OUTER", "PARSED", "PHYSICAL", "PLAN", "RIGHT", "RLIKE", "OR", "ORDER", "OUTER", "PARSED", "PHYSICAL", "PLAN", "RIGHT", "RLIKE",
"QUERY", "SCHEMAS", "SELECT", "SHOW", "SYS", "TABLE", "TABLES", "TEXT", "QUERY", "SCHEMAS", "SELECT", "SHOW", "SYS", "TABLE", "TABLES", "TEXT",
"TRUE", "TYPE", "TYPES", "USING", "VERIFY", "WHERE", "WITH", "EQ", "NEQ", "TRUE", "TYPE", "TYPES", "USING", "VERIFY", "WHERE", "WITH", "ESCAPE_ESC",
"LT", "LTE", "GT", "GTE", "PLUS", "MINUS", "ASTERISK", "SLASH", "PERCENT", "FUNCTION_ESC", "LIMIT_ESC", "DATE_ESC", "TIME_ESC", "TIMESTAMP_ESC",
"CONCAT", "DOT", "PARAM", "STRING", "INTEGER_VALUE", "DECIMAL_VALUE", "GUID_ESC", "ESC_END", "EQ", "NEQ", "LT", "LTE", "GT", "GTE", "PLUS",
"IDENTIFIER", "DIGIT_IDENTIFIER", "TABLE_IDENTIFIER", "QUOTED_IDENTIFIER", "MINUS", "ASTERISK", "SLASH", "PERCENT", "CONCAT", "DOT", "PARAM", "STRING",
"BACKQUOTED_IDENTIFIER", "SIMPLE_COMMENT", "BRACKETED_COMMENT", "WS", "INTEGER_VALUE", "DECIMAL_VALUE", "IDENTIFIER", "DIGIT_IDENTIFIER", "TABLE_IDENTIFIER",
"UNRECOGNIZED" "QUOTED_IDENTIFIER", "BACKQUOTED_IDENTIFIER", "SIMPLE_COMMENT", "BRACKETED_COMMENT",
"WS", "UNRECOGNIZED"
}; };
public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES); public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
@ -139,7 +142,7 @@ class SqlBaseLexer extends Lexer {
public ATN getATN() { return _ATN; } public ATN getATN() { return _ATN; }
public static final String _serializedATN = public static final String _serializedATN =
"\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\2c\u033b\b\1\4\2\t"+ "\3\u0430\ud6d1\u8206\uad2d\u4417\uaef1\u8d80\uaadd\2k\u0370\b\1\4\2\t"+
"\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13"+ "\2\4\3\t\3\4\4\t\4\4\5\t\5\4\6\t\6\4\7\t\7\4\b\t\b\4\t\t\t\4\n\t\n\4\13"+
"\t\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22\t\22"+ "\t\13\4\f\t\f\4\r\t\r\4\16\t\16\4\17\t\17\4\20\t\20\4\21\t\21\4\22\t\22"+
"\4\23\t\23\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\4\30\t\30\4\31\t\31"+ "\4\23\t\23\4\24\t\24\4\25\t\25\4\26\t\26\4\27\t\27\4\30\t\30\4\31\t\31"+
@ -150,276 +153,293 @@ class SqlBaseLexer extends Lexer {
"\4>\t>\4?\t?\4@\t@\4A\tA\4B\tB\4C\tC\4D\tD\4E\tE\4F\tF\4G\tG\4H\tH\4I"+ "\4>\t>\4?\t?\4@\t@\4A\tA\4B\tB\4C\tC\4D\tD\4E\tE\4F\tF\4G\tG\4H\tH\4I"+
"\tI\4J\tJ\4K\tK\4L\tL\4M\tM\4N\tN\4O\tO\4P\tP\4Q\tQ\4R\tR\4S\tS\4T\tT"+ "\tI\4J\tJ\4K\tK\4L\tL\4M\tM\4N\tN\4O\tO\4P\tP\4Q\tQ\4R\tR\4S\tS\4T\tT"+
"\4U\tU\4V\tV\4W\tW\4X\tX\4Y\tY\4Z\tZ\4[\t[\4\\\t\\\4]\t]\4^\t^\4_\t_\4"+ "\4U\tU\4V\tV\4W\tW\4X\tX\4Y\tY\4Z\tZ\4[\t[\4\\\t\\\4]\t]\4^\t^\4_\t_\4"+
"`\t`\4a\ta\4b\tb\4c\tc\4d\td\4e\te\3\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\6"+ "`\t`\4a\ta\4b\tb\4c\tc\4d\td\4e\te\4f\tf\4g\tg\4h\th\4i\ti\4j\tj\4k\t"+
"\3\6\3\6\3\6\3\7\3\7\3\7\3\7\3\7\3\7\3\7\3\7\3\b\3\b\3\b\3\b\3\b\3\b\3"+ "k\4l\tl\4m\tm\3\2\3\2\3\3\3\3\3\4\3\4\3\5\3\5\3\6\3\6\3\6\3\6\3\7\3\7"+
"\b\3\b\3\b\3\t\3\t\3\t\3\t\3\n\3\n\3\n\3\n\3\13\3\13\3\13\3\f\3\f\3\f"+ "\3\7\3\7\3\7\3\7\3\7\3\7\3\b\3\b\3\b\3\b\3\b\3\b\3\b\3\b\3\b\3\t\3\t\3"+
"\3\f\3\r\3\r\3\r\3\r\3\r\3\r\3\r\3\r\3\16\3\16\3\16\3\17\3\17\3\17\3\17"+ "\t\3\t\3\n\3\n\3\n\3\n\3\13\3\13\3\13\3\f\3\f\3\f\3\f\3\r\3\r\3\r\3\r"+
"\3\17\3\20\3\20\3\20\3\20\3\20\3\20\3\20\3\20\3\21\3\21\3\21\3\21\3\21"+ "\3\r\3\r\3\r\3\r\3\16\3\16\3\16\3\17\3\17\3\17\3\17\3\17\3\20\3\20\3\20"+
"\3\21\3\21\3\21\3\21\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\23\3\23"+ "\3\20\3\20\3\20\3\20\3\20\3\21\3\21\3\21\3\21\3\21\3\21\3\21\3\21\3\21"+
"\3\23\3\23\3\23\3\23\3\24\3\24\3\24\3\24\3\24\3\25\3\25\3\25\3\25\3\25"+ "\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\22\3\23\3\23\3\23\3\23\3\23\3\23"+
"\3\25\3\25\3\25\3\25\3\26\3\26\3\26\3\26\3\26\3\26\3\26\3\26\3\26\3\27"+ "\3\24\3\24\3\24\3\24\3\24\3\25\3\25\3\25\3\25\3\25\3\25\3\25\3\25\3\25"+
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"_\2\u02d0\u02d2\3\2\2\2\u02d1\u02a8\3\2\2\2\u02d1\u02b3\3\2\2\2\u02d1"+ "\u00c0\3\2\2\2\u02dc\u02de\5\u00cfh\2\u02dd\u02dc\3\2\2\2\u02de\u02df"+
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"\7$\2\2\u02f3\u02f0\3\2\2\2\u02f3\u02f1\3\2\2\2\u02f4\u02f7\3\2\2\2\u02f5"+ "g\2\u0305\u0307\3\2\2\2\u0306\u02dd\3\2\2\2\u0306\u02e8\3\2\2\2\u0306"+
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"\2\2\u0307\u0308\3\2\2\2\u0308\u030a\3\2\2\2\u0309\u030b\5\u00bf`\2\u030a"+ "\u0316\u0319\5\u00cfh\2\u0317\u0319\t\4\2\2\u0318\u0315\3\2\2\2\u0318"+
"\u0309\3\2\2\2\u030b\u030c\3\2\2\2\u030c\u030a\3\2\2\2\u030c\u030d\3\2"+ "\u0316\3\2\2\2\u0318\u0317\3\2\2\2\u0319\u031a\3\2\2\2\u031a\u0318\3\2"+
"\2\2\u030d\u00be\3\2\2\2\u030e\u030f\t\b\2\2\u030f\u00c0\3\2\2\2\u0310"+ "\2\2\u031a\u031b\3\2\2\2\u031b\u00c6\3\2\2\2\u031c\u0321\5\u00d1i\2\u031d"+
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"\2\u0314\u0318\3\2\2\2\u0315\u0317\n\n\2\2\u0316\u0315\3\2\2\2\u0317\u031a"+ "\3\2\2\2\u0320\u031d\3\2\2\2\u0320\u031e\3\2\2\2\u0320\u031f\3\2\2\2\u0321"+
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"\2\2\u032f\u0330\3\2\2\2\u0330\u0331\bc\2\2\u0331\u00c6\3\2\2\2\u0332"+ "\u00cc\3\2\2\2\u033a\u033c\7G\2\2\u033b\u033d\t\7\2\2\u033c\u033b\3\2"+
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"\2\2\2\u0335\u0336\3\2\2\2\u0336\u0337\3\2\2\2\u0337\u0338\bd\2\2\u0338"+ "\u033e\3\2\2\2\u0340\u0341\3\2\2\2\u0341\u033f\3\2\2\2\u0341\u0342\3\2"+
"\u00c8\3\2\2\2\u0339\u033a\13\2\2\2\u033a\u00ca\3\2\2\2\"\2\u027a\u029b"+ "\2\2\u0342\u00ce\3\2\2\2\u0343\u0344\t\b\2\2\u0344\u00d0\3\2\2\2\u0345"+
"\u029d\u02a5\u02aa\u02b0\u02b7\u02bc\u02c2\u02c5\u02cd\u02d1\u02d5\u02da"+ "\u0346\t\t\2\2\u0346\u00d2\3\2\2\2\u0347\u0348\7/\2\2\u0348\u0349\7/\2"+
"\u02dc\u02e3\u02e5\u02eb\u02ed\u02f3\u02f5\u02fe\u0300\u0307\u030c\u0318"+ "\2\u0349\u034d\3\2\2\2\u034a\u034c\n\n\2\2\u034b\u034a\3\2\2\2\u034c\u034f"+
"\u031c\u031f\u0328\u032a\u0335\3\2\3\2"; "\3\2\2\2\u034d\u034b\3\2\2\2\u034d\u034e\3\2\2\2\u034e\u0351\3\2\2\2\u034f"+
"\u034d\3\2\2\2\u0350\u0352\7\17\2\2\u0351\u0350\3\2\2\2\u0351\u0352\3"+
"\2\2\2\u0352\u0354\3\2\2\2\u0353\u0355\7\f\2\2\u0354\u0353\3\2\2\2\u0354"+
"\u0355\3\2\2\2\u0355\u0356\3\2\2\2\u0356\u0357\bj\2\2\u0357\u00d4\3\2"+
"\2\2\u0358\u0359\7\61\2\2\u0359\u035a\7,\2\2\u035a\u035f\3\2\2\2\u035b"+
"\u035e\5\u00d5k\2\u035c\u035e\13\2\2\2\u035d\u035b\3\2\2\2\u035d\u035c"+
"\3\2\2\2\u035e\u0361\3\2\2\2\u035f\u0360\3\2\2\2\u035f\u035d\3\2\2\2\u0360"+
"\u0362\3\2\2\2\u0361\u035f\3\2\2\2\u0362\u0363\7,\2\2\u0363\u0364\7\61"+
"\2\2\u0364\u0365\3\2\2\2\u0365\u0366\bk\2\2\u0366\u00d6\3\2\2\2\u0367"+
"\u0369\t\13\2\2\u0368\u0367\3\2\2\2\u0369\u036a\3\2\2\2\u036a\u0368\3"+
"\2\2\2\u036a\u036b\3\2\2\2\u036b\u036c\3\2\2\2\u036c\u036d\bl\2\2\u036d"+
"\u00d8\3\2\2\2\u036e\u036f\13\2\2\2\u036f\u00da\3\2\2\2\"\2\u02af\u02d0"+
"\u02d2\u02da\u02df\u02e5\u02ec\u02f1\u02f7\u02fa\u0302\u0306\u030a\u030f"+
"\u0311\u0318\u031a\u0320\u0322\u0328\u032a\u0333\u0335\u033c\u0341\u034d"+
"\u0351\u0354\u035d\u035f\u036a\3\2\3\2";
public static final ATN _ATN = public static final ATN _ATN =
new ATNDeserializer().deserialize(_serializedATN.toCharArray()); new ATNDeserializer().deserialize(_serializedATN.toCharArray());
static { static {

View File

@ -1,8 +1,3 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
// ANTLR GENERATED CODE: DO NOT EDIT // ANTLR GENERATED CODE: DO NOT EDIT
package org.elasticsearch.xpack.sql.parser; package org.elasticsearch.xpack.sql.parser;
import org.antlr.v4.runtime.tree.ParseTreeListener; import org.antlr.v4.runtime.tree.ParseTreeListener;
@ -196,6 +191,16 @@ interface SqlBaseListener extends ParseTreeListener {
* @param ctx the parse tree * @param ctx the parse tree
*/ */
void exitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx); void exitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#limitClause}.
* @param ctx the parse tree
*/
void enterLimitClause(SqlBaseParser.LimitClauseContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#limitClause}.
* @param ctx the parse tree
*/
void exitLimitClause(SqlBaseParser.LimitClauseContext ctx);
/** /**
* Enter a parse tree produced by the {@code queryPrimaryDefault} * Enter a parse tree produced by the {@code queryPrimaryDefault}
* labeled alternative in {@link SqlBaseParser#queryTerm}. * labeled alternative in {@link SqlBaseParser#queryTerm}.
@ -514,6 +519,16 @@ interface SqlBaseListener extends ParseTreeListener {
* @param ctx the parse tree * @param ctx the parse tree
*/ */
void exitPattern(SqlBaseParser.PatternContext ctx); void exitPattern(SqlBaseParser.PatternContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#patternEscape}.
* @param ctx the parse tree
*/
void enterPatternEscape(SqlBaseParser.PatternEscapeContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#patternEscape}.
* @param ctx the parse tree
*/
void exitPatternEscape(SqlBaseParser.PatternEscapeContext ctx);
/** /**
* Enter a parse tree produced by the {@code valueExpressionDefault} * Enter a parse tree produced by the {@code valueExpressionDefault}
* labeled alternative in {@link SqlBaseParser#valueExpression}. * labeled alternative in {@link SqlBaseParser#valueExpression}.
@ -611,17 +626,17 @@ interface SqlBaseListener extends ParseTreeListener {
*/ */
void exitStar(SqlBaseParser.StarContext ctx); void exitStar(SqlBaseParser.StarContext ctx);
/** /**
* Enter a parse tree produced by the {@code functionCall} * Enter a parse tree produced by the {@code function}
* labeled alternative in {@link SqlBaseParser#primaryExpression}. * labeled alternative in {@link SqlBaseParser#primaryExpression}.
* @param ctx the parse tree * @param ctx the parse tree
*/ */
void enterFunctionCall(SqlBaseParser.FunctionCallContext ctx); void enterFunction(SqlBaseParser.FunctionContext ctx);
/** /**
* Exit a parse tree produced by the {@code functionCall} * Exit a parse tree produced by the {@code function}
* labeled alternative in {@link SqlBaseParser#primaryExpression}. * labeled alternative in {@link SqlBaseParser#primaryExpression}.
* @param ctx the parse tree * @param ctx the parse tree
*/ */
void exitFunctionCall(SqlBaseParser.FunctionCallContext ctx); void exitFunction(SqlBaseParser.FunctionContext ctx);
/** /**
* Enter a parse tree produced by the {@code subqueryExpression} * Enter a parse tree produced by the {@code subqueryExpression}
* labeled alternative in {@link SqlBaseParser#primaryExpression}. * labeled alternative in {@link SqlBaseParser#primaryExpression}.
@ -670,6 +685,66 @@ interface SqlBaseListener extends ParseTreeListener {
* @param ctx the parse tree * @param ctx the parse tree
*/ */
void exitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx); void exitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#castExpression}.
* @param ctx the parse tree
*/
void enterCastExpression(SqlBaseParser.CastExpressionContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#castExpression}.
* @param ctx the parse tree
*/
void exitCastExpression(SqlBaseParser.CastExpressionContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#castTemplate}.
* @param ctx the parse tree
*/
void enterCastTemplate(SqlBaseParser.CastTemplateContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#castTemplate}.
* @param ctx the parse tree
*/
void exitCastTemplate(SqlBaseParser.CastTemplateContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#extractExpression}.
* @param ctx the parse tree
*/
void enterExtractExpression(SqlBaseParser.ExtractExpressionContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#extractExpression}.
* @param ctx the parse tree
*/
void exitExtractExpression(SqlBaseParser.ExtractExpressionContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#extractTemplate}.
* @param ctx the parse tree
*/
void enterExtractTemplate(SqlBaseParser.ExtractTemplateContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#extractTemplate}.
* @param ctx the parse tree
*/
void exitExtractTemplate(SqlBaseParser.ExtractTemplateContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#functionExpression}.
* @param ctx the parse tree
*/
void enterFunctionExpression(SqlBaseParser.FunctionExpressionContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#functionExpression}.
* @param ctx the parse tree
*/
void exitFunctionExpression(SqlBaseParser.FunctionExpressionContext ctx);
/**
* Enter a parse tree produced by {@link SqlBaseParser#functionTemplate}.
* @param ctx the parse tree
*/
void enterFunctionTemplate(SqlBaseParser.FunctionTemplateContext ctx);
/**
* Exit a parse tree produced by {@link SqlBaseParser#functionTemplate}.
* @param ctx the parse tree
*/
void exitFunctionTemplate(SqlBaseParser.FunctionTemplateContext ctx);
/** /**
* Enter a parse tree produced by the {@code nullLiteral} * Enter a parse tree produced by the {@code nullLiteral}
* labeled alternative in {@link SqlBaseParser#constant}. * labeled alternative in {@link SqlBaseParser#constant}.
@ -730,6 +805,54 @@ interface SqlBaseListener extends ParseTreeListener {
* @param ctx the parse tree * @param ctx the parse tree
*/ */
void exitParamLiteral(SqlBaseParser.ParamLiteralContext ctx); void exitParamLiteral(SqlBaseParser.ParamLiteralContext ctx);
/**
* Enter a parse tree produced by the {@code dateEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void enterDateEscapedLiteral(SqlBaseParser.DateEscapedLiteralContext ctx);
/**
* Exit a parse tree produced by the {@code dateEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void exitDateEscapedLiteral(SqlBaseParser.DateEscapedLiteralContext ctx);
/**
* Enter a parse tree produced by the {@code timeEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void enterTimeEscapedLiteral(SqlBaseParser.TimeEscapedLiteralContext ctx);
/**
* Exit a parse tree produced by the {@code timeEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void exitTimeEscapedLiteral(SqlBaseParser.TimeEscapedLiteralContext ctx);
/**
* Enter a parse tree produced by the {@code timestampEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void enterTimestampEscapedLiteral(SqlBaseParser.TimestampEscapedLiteralContext ctx);
/**
* Exit a parse tree produced by the {@code timestampEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void exitTimestampEscapedLiteral(SqlBaseParser.TimestampEscapedLiteralContext ctx);
/**
* Enter a parse tree produced by the {@code guidEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void enterGuidEscapedLiteral(SqlBaseParser.GuidEscapedLiteralContext ctx);
/**
* Exit a parse tree produced by the {@code guidEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
*/
void exitGuidEscapedLiteral(SqlBaseParser.GuidEscapedLiteralContext ctx);
/** /**
* Enter a parse tree produced by {@link SqlBaseParser#comparisonOperator}. * Enter a parse tree produced by {@link SqlBaseParser#comparisonOperator}.
* @param ctx the parse tree * @param ctx the parse tree

View File

@ -1,8 +1,3 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
// ANTLR GENERATED CODE: DO NOT EDIT // ANTLR GENERATED CODE: DO NOT EDIT
package org.elasticsearch.xpack.sql.parser; package org.elasticsearch.xpack.sql.parser;
import org.antlr.v4.runtime.tree.ParseTreeVisitor; import org.antlr.v4.runtime.tree.ParseTreeVisitor;
@ -123,6 +118,12 @@ interface SqlBaseVisitor<T> extends ParseTreeVisitor<T> {
* @return the visitor result * @return the visitor result
*/ */
T visitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx); T visitQueryNoWith(SqlBaseParser.QueryNoWithContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#limitClause}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitLimitClause(SqlBaseParser.LimitClauseContext ctx);
/** /**
* Visit a parse tree produced by the {@code queryPrimaryDefault} * Visit a parse tree produced by the {@code queryPrimaryDefault}
* labeled alternative in {@link SqlBaseParser#queryTerm}. * labeled alternative in {@link SqlBaseParser#queryTerm}.
@ -311,6 +312,12 @@ interface SqlBaseVisitor<T> extends ParseTreeVisitor<T> {
* @return the visitor result * @return the visitor result
*/ */
T visitPattern(SqlBaseParser.PatternContext ctx); T visitPattern(SqlBaseParser.PatternContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#patternEscape}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitPatternEscape(SqlBaseParser.PatternEscapeContext ctx);
/** /**
* Visit a parse tree produced by the {@code valueExpressionDefault} * Visit a parse tree produced by the {@code valueExpressionDefault}
* labeled alternative in {@link SqlBaseParser#valueExpression}. * labeled alternative in {@link SqlBaseParser#valueExpression}.
@ -368,12 +375,12 @@ interface SqlBaseVisitor<T> extends ParseTreeVisitor<T> {
*/ */
T visitStar(SqlBaseParser.StarContext ctx); T visitStar(SqlBaseParser.StarContext ctx);
/** /**
* Visit a parse tree produced by the {@code functionCall} * Visit a parse tree produced by the {@code function}
* labeled alternative in {@link SqlBaseParser#primaryExpression}. * labeled alternative in {@link SqlBaseParser#primaryExpression}.
* @param ctx the parse tree * @param ctx the parse tree
* @return the visitor result * @return the visitor result
*/ */
T visitFunctionCall(SqlBaseParser.FunctionCallContext ctx); T visitFunction(SqlBaseParser.FunctionContext ctx);
/** /**
* Visit a parse tree produced by the {@code subqueryExpression} * Visit a parse tree produced by the {@code subqueryExpression}
* labeled alternative in {@link SqlBaseParser#primaryExpression}. * labeled alternative in {@link SqlBaseParser#primaryExpression}.
@ -402,6 +409,42 @@ interface SqlBaseVisitor<T> extends ParseTreeVisitor<T> {
* @return the visitor result * @return the visitor result
*/ */
T visitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx); T visitParenthesizedExpression(SqlBaseParser.ParenthesizedExpressionContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#castExpression}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitCastExpression(SqlBaseParser.CastExpressionContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#castTemplate}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitCastTemplate(SqlBaseParser.CastTemplateContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#extractExpression}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitExtractExpression(SqlBaseParser.ExtractExpressionContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#extractTemplate}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitExtractTemplate(SqlBaseParser.ExtractTemplateContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#functionExpression}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitFunctionExpression(SqlBaseParser.FunctionExpressionContext ctx);
/**
* Visit a parse tree produced by {@link SqlBaseParser#functionTemplate}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitFunctionTemplate(SqlBaseParser.FunctionTemplateContext ctx);
/** /**
* Visit a parse tree produced by the {@code nullLiteral} * Visit a parse tree produced by the {@code nullLiteral}
* labeled alternative in {@link SqlBaseParser#constant}. * labeled alternative in {@link SqlBaseParser#constant}.
@ -437,6 +480,34 @@ interface SqlBaseVisitor<T> extends ParseTreeVisitor<T> {
* @return the visitor result * @return the visitor result
*/ */
T visitParamLiteral(SqlBaseParser.ParamLiteralContext ctx); T visitParamLiteral(SqlBaseParser.ParamLiteralContext ctx);
/**
* Visit a parse tree produced by the {@code dateEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitDateEscapedLiteral(SqlBaseParser.DateEscapedLiteralContext ctx);
/**
* Visit a parse tree produced by the {@code timeEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitTimeEscapedLiteral(SqlBaseParser.TimeEscapedLiteralContext ctx);
/**
* Visit a parse tree produced by the {@code timestampEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitTimestampEscapedLiteral(SqlBaseParser.TimestampEscapedLiteralContext ctx);
/**
* Visit a parse tree produced by the {@code guidEscapedLiteral}
* labeled alternative in {@link SqlBaseParser#constant}.
* @param ctx the parse tree
* @return the visitor result
*/
T visitGuidEscapedLiteral(SqlBaseParser.GuidEscapedLiteralContext ctx);
/** /**
* Visit a parse tree produced by {@link SqlBaseParser#comparisonOperator}. * Visit a parse tree produced by {@link SqlBaseParser#comparisonOperator}.
* @param ctx the parse tree * @param ctx the parse tree

View File

@ -33,10 +33,13 @@ import java.util.BitSet;
import java.util.Collections; import java.util.Collections;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Locale;
import java.util.Map; import java.util.Map;
import java.util.function.BiFunction; import java.util.function.BiFunction;
import java.util.function.Function; import java.util.function.Function;
import static java.lang.String.format;
public class SqlParser { public class SqlParser {
private static final Logger log = Loggers.getLogger(SqlParser.class); private static final Logger log = Loggers.getLogger(SqlParser.class);
@ -102,16 +105,30 @@ public class SqlParser {
if (DEBUG) { if (DEBUG) {
debug(parser); debug(parser);
tokenStream.fill();
for (Token t : tokenStream.getTokens()) {
String symbolicName = SqlBaseLexer.VOCABULARY.getSymbolicName(t.getType());
String literalName = SqlBaseLexer.VOCABULARY.getLiteralName(t.getType());
log.info(format(Locale.ROOT, " %-15s '%s'",
symbolicName == null ? literalName : symbolicName,
t.getText()));
};
} }
ParserRuleContext tree = parseFunction.apply(parser); ParserRuleContext tree = parseFunction.apply(parser);
if (DEBUG) {
log.info("Parse tree {} " + tree.toStringTree());
}
return visitor.apply(new AstBuilder(paramTokens), tree); return visitor.apply(new AstBuilder(paramTokens), tree);
} }
private void debug(SqlBaseParser parser) { private void debug(SqlBaseParser parser) {
// when debugging, use the exact prediction mode (needed for diagnostics as well) // when debugging, use the exact prediction mode (needed for diagnostics as well)
parser.getInterpreter().setPredictionMode(PredictionMode.LL_EXACT_AMBIG_DETECTION); parser.getInterpreter().setPredictionMode(PredictionMode.SLL);
parser.addParseListener(parser.new TraceListener()); parser.addParseListener(parser.new TraceListener());

View File

@ -0,0 +1,237 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.xpack.sql.parser;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.xpack.sql.SqlIllegalArgumentException;
import org.elasticsearch.xpack.sql.expression.Expression;
import org.elasticsearch.xpack.sql.expression.Literal;
import org.elasticsearch.xpack.sql.expression.UnresolvedAttribute;
import org.elasticsearch.xpack.sql.expression.function.Function;
import org.elasticsearch.xpack.sql.expression.function.UnresolvedFunction;
import org.elasticsearch.xpack.sql.expression.regex.Like;
import org.elasticsearch.xpack.sql.expression.regex.LikePattern;
import org.elasticsearch.xpack.sql.plan.logical.Limit;
import org.elasticsearch.xpack.sql.plan.logical.LogicalPlan;
import org.elasticsearch.xpack.sql.plan.logical.With;
import org.elasticsearch.xpack.sql.proto.SqlTypedParamValue;
import org.elasticsearch.xpack.sql.type.DataType;
import org.junit.Assert;
import java.util.List;
import java.util.Locale;
import static java.lang.String.format;
import static java.util.Arrays.asList;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
public class EscapedFunctionsTests extends ESTestCase {
private final SqlParser parser = new SqlParser();
private Literal dateLiteral(String date) {
Expression exp = parser.createExpression(format(Locale.ROOT, "{d '%s'}", date));
assertThat(exp, instanceOf(Expression.class));
return (Literal) exp;
}
private Literal timeLiteral(String date) {
Expression exp = parser.createExpression(format(Locale.ROOT, "{t '%s'}", date));
assertThat(exp, instanceOf(Expression.class));
return (Literal) exp;
}
private Literal timestampLiteral(String date) {
Expression exp = parser.createExpression(format(Locale.ROOT, "{ts '%s'}", date));
assertThat(exp, instanceOf(Expression.class));
return (Literal) exp;
}
private Literal guidLiteral(String date) {
Expression exp = parser.createExpression(format(Locale.ROOT, "{guid '%s'}", date));
assertThat(exp, instanceOf(Expression.class));
return (Literal) exp;
}
private Limit limit(int limit) {
LogicalPlan plan = parser.createStatement(format(Locale.ROOT, "SELECT * FROM emp {limit %d}", limit));
assertThat(plan, instanceOf(With.class));
With with = (With) plan;
Limit limitPlan = (Limit) (with.child());
assertThat(limitPlan.limit(), instanceOf(Literal.class));
return limitPlan;
}
private LikePattern likeEscape(String like, String character) {
Expression exp = parser.createExpression(format(Locale.ROOT, "exp LIKE '%s' {escape '%s'}", like, character));
assertThat(exp, instanceOf(Like.class));
return ((Like) exp).right();
}
private Function function(String name) {
Expression exp = parser.createExpression(format(Locale.ROOT, "{fn %s}", name));
assertThat(exp, instanceOf(Function.class));
return (Function) exp;
}
public void testFunctionNoArg() {
Function f = function("SCORE()");
assertEquals("SCORE", f.functionName());
}
public void testFunctionOneArg() {
Function f = function("ABS(foo)");
assertEquals("ABS", f.functionName());
assertEquals(1, f.arguments().size());
Expression arg = f.arguments().get(0);
assertThat(arg, instanceOf(UnresolvedAttribute.class));
UnresolvedAttribute ua = (UnresolvedAttribute) arg;
assertThat(ua.name(), is("foo"));
}
public void testFunctionOneArgFunction() {
Function f = function("ABS({fn SCORE()})");
assertEquals("ABS", f.functionName());
assertEquals(1, f.arguments().size());
Expression arg = f.arguments().get(0);
assertThat(arg, instanceOf(UnresolvedFunction.class));
UnresolvedFunction uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("SCORE"));
}
public void testFunctionFloorWithExtract() {
Function f = function("CAST({fn FLOOR({fn EXTRACT(YEAR FROM \"foo\")})} AS int)");
assertEquals("CAST", f.functionName());
assertEquals(1, f.arguments().size());
Expression arg = f.arguments().get(0);
assertThat(arg, instanceOf(UnresolvedFunction.class));
f = (Function) arg;
assertEquals("FLOOR", f.functionName());
assertEquals(1, f.arguments().size());
arg = f.arguments().get(0);
assertThat(arg, instanceOf(UnresolvedFunction.class));
UnresolvedFunction uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("YEAR"));
}
public void testFunctionWithFunctionWithArg() {
Function f = function("POWER(foo, {fn POWER({fn SCORE()}, {fN SCORE()})})");
assertEquals("POWER", f.functionName());
assertEquals(2, f.arguments().size());
Expression arg = f.arguments().get(1);
assertThat(arg, instanceOf(UnresolvedFunction.class));
UnresolvedFunction uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("POWER"));
assertEquals(2, uf.arguments().size());
List<Expression> args = uf.arguments();
arg = args.get(0);
assertThat(arg, instanceOf(UnresolvedFunction.class));
uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("SCORE"));
arg = args.get(1);
assertThat(arg, instanceOf(UnresolvedFunction.class));
uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("SCORE"));
}
public void testFunctionWithFunctionWithArgAndParams() {
Function f = (Function) parser.createExpression("POWER(?, {fn POWER({fn ABS(?)}, {fN ABS(?)})})",
asList(new SqlTypedParamValue(DataType.LONG, 1),
new SqlTypedParamValue(DataType.LONG, 1),
new SqlTypedParamValue(DataType.LONG, 1)));
assertEquals("POWER", f.functionName());
assertEquals(2, f.arguments().size());
Expression arg = f.arguments().get(1);
assertThat(arg, instanceOf(UnresolvedFunction.class));
UnresolvedFunction uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("POWER"));
assertEquals(2, uf.arguments().size());
List<Expression> args = uf.arguments();
arg = args.get(0);
assertThat(arg, instanceOf(UnresolvedFunction.class));
uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("ABS"));
arg = args.get(1);
assertThat(arg, instanceOf(UnresolvedFunction.class));
uf = (UnresolvedFunction) arg;
assertThat(uf.name(), is("ABS"));
}
public void testDateLiteral() {
Literal l = dateLiteral("2012-01-01");
assertThat(l.dataType(), is(DataType.DATE));
}
public void testDateLiteralValidation() {
ParsingException ex = expectThrows(ParsingException.class, () -> dateLiteral("2012-13-01"));
assertEquals("line 1:2: Invalid date received; Cannot parse \"2012-13-01\": Value 13 for monthOfYear must be in the range [1,12]",
ex.getMessage());
}
public void testTimeLiteralUnsupported() {
SqlIllegalArgumentException ex = expectThrows(SqlIllegalArgumentException.class, () -> timeLiteral("10:10:10"));
assertThat(ex.getMessage(), is("Time (only) literals are not supported; a date component is required as well"));
}
public void testTimeLiteralValidation() {
ParsingException ex = expectThrows(ParsingException.class, () -> timeLiteral("10:10:65"));
assertEquals("line 1:2: Invalid time received; Cannot parse \"10:10:65\": Value 65 for secondOfMinute must be in the range [0,59]",
ex.getMessage());
}
public void testTimestampLiteral() {
Literal l = timestampLiteral("2012-01-01 10:01:02.3456");
assertThat(l.dataType(), is(DataType.DATE));
}
public void testTimestampLiteralValidation() {
ParsingException ex = expectThrows(ParsingException.class, () -> timestampLiteral("2012-01-01T10:01:02.3456"));
assertEquals(
"line 1:2: Invalid timestamp received; Invalid format: \"2012-01-01T10:01:02.3456\" is malformed at \"T10:01:02.3456\"",
ex.getMessage());
}
public void testGUID() {
Literal l = guidLiteral("12345678-90ab-cdef-0123-456789abcdef");
assertThat(l.dataType(), is(DataType.KEYWORD));
l = guidLiteral("12345678-90AB-cdef-0123-456789ABCdef");
assertThat(l.dataType(), is(DataType.KEYWORD));
}
public void testGUIDValidationHexa() {
ParsingException ex = expectThrows(ParsingException.class, () -> guidLiteral("12345678-90ab-cdef-0123-456789abcdeH"));
assertEquals("line 1:8: Invalid GUID, expected hexadecimal at offset[35], found [H]", ex.getMessage());
}
public void testGUIDValidationGroups() {
ParsingException ex = expectThrows(ParsingException.class, () -> guidLiteral("12345678A90ab-cdef-0123-456789abcdeH"));
assertEquals("line 1:8: Invalid GUID, expected group separator at offset [8], found [A]", ex.getMessage());
}
public void testGUIDValidationLength() {
ParsingException ex = expectThrows(ParsingException.class, () -> guidLiteral("12345678A90"));
assertEquals("line 1:8: Invalid GUID, too short", ex.getMessage());
}
public void testLimit() {
Limit limit = limit(10);
Literal l = (Literal) limit.limit();
Assert.assertThat(l.value(), is(10));
}
public void testLikeEscape() {
LikePattern pattern = likeEscape("|%tring", "|");
assertThat(pattern.escape(), is('|'));
}
}