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add support for `!=` operator and `in ('a','b',...) expressions

This commit is contained in:
xvrl 2013-03-04 14:27:15 -08:00
parent 6a40072d50
commit f5e3ff9692
1 changed files with 19 additions and 4 deletions
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23
client/src/main/antlr4/com/metamx/druid/sql/antlr4/DruidSQL.g4
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@ -90,6 +90,8 @@ PLUS: '+';
MINUS: '-';
DIV: '/';
COMMA: ',';
EQ: '=';
NEQ: '!=';
GROUP: 'group';
IDENT : (LETTER)(LETTER | DIGIT | '_')* ;
@ -238,13 +240,26 @@ andDimFilter returns [DimFilter filter]
primaryDimFilter returns [DimFilter filter]
: e=selectorDimFilter { $filter = $e.filter; }
| NOT f=dimFilter { $filter = new NotDimFilter($f.filter); }
| l=inListDimFilter { $filter = $l.filter; }
| NOT f=dimFilter { $filter = new NotDimFilter($f.filter); }
| OPEN! f=dimFilter CLOSE! { $filter = $f.filter; }
;
selectorDimFilter returns [SelectorDimFilter filter]
: dimension=IDENT '=' value=QUOTED_STRING {
$filter = new SelectorDimFilter($dimension.text, unescape($value.text));
selectorDimFilter returns [DimFilter filter]
: dimension=IDENT op=(EQ|NEQ) value=QUOTED_STRING {
DimFilter f = new SelectorDimFilter($dimension.text, unescape($value.text));
switch($op.type) {
case(EQ): $filter = f; break;
case(NEQ): $filter = new NotDimFilter(f); break;
}
}
;
inListDimFilter returns [DimFilter filter]
: dimension=IDENT 'in' (OPEN! ( (list+=QUOTED_STRING (COMMA! list+=QUOTED_STRING)*) ) CLOSE!) {
List<DimFilter> filterList = new LinkedList<DimFilter>();
for(Token e : $list) filterList.add(new SelectorDimFilter($dimension.text, unescape(e.getText())));
$filter = new OrDimFilter(filterList);
}
;