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clean up two SQL queries in OracleDialect

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Gavin 2023-04-21 16:38:55 +02:00 committed by Gavin King
parent 106dc33a18
commit 642959dc75
1 changed files with 6 additions and 9 deletions
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15
hibernate-core/src/main/java/org/hibernate/dialect/OracleDialect.java
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@ -152,7 +152,7 @@ public class OracleDialect extends Dialect {
public static final String PREFER_LONG_RAW = "hibernate.dialect.oracle.prefer_long_raw"; public static final String PREFER_LONG_RAW = "hibernate.dialect.oracle.prefer_long_raw";
private static final String yqmSelect = private static final String yqmSelect =
"( TRUNC(%2$s, 'MONTH') + NUMTOYMINTERVAL(%1$s, 'MONTH') + ( LEAST( EXTRACT( DAY FROM %2$s ), EXTRACT( DAY FROM LAST_DAY( TRUNC(%2$s, 'MONTH') + NUMTOYMINTERVAL(%1$s, 'MONTH') ) ) ) - 1 ) )"; "(trunc(%2$s, 'MONTH') + numtoyminterval(%1$s, 'MONTH') + (least(extract(day from %2$s), extract(day from last_day(trunc(%2$s, 'MONTH') + numtoyminterval(%1$s, 'MONTH')))) - 1))";
private static final String ADD_YEAR_EXPRESSION = String.format( yqmSelect, "?2*12", "?3" ); private static final String ADD_YEAR_EXPRESSION = String.format( yqmSelect, "?2*12", "?3" );
private static final String ADD_QUARTER_EXPRESSION = String.format( yqmSelect, "?2*3", "?3" ); private static final String ADD_QUARTER_EXPRESSION = String.format( yqmSelect, "?2*3", "?3" );
@ -189,8 +189,8 @@ public class OracleDialect extends Dialect {
protected static boolean isExtended(DatabaseMetaData databaseMetaData) { protected static boolean isExtended(DatabaseMetaData databaseMetaData) {
if ( databaseMetaData != null ) { if ( databaseMetaData != null ) {
try ( java.sql.Statement s = databaseMetaData.getConnection().createStatement() ) { try ( java.sql.Statement statement = databaseMetaData.getConnection().createStatement() ) {
s.execute( "select cast('string' as varchar2(32000)) from dual" ); statement.execute( "select cast('string' as varchar2(32000)) from dual" );
// succeeded, so MAX_STRING_SIZE == EXTENDED // succeeded, so MAX_STRING_SIZE == EXTENDED
return true; return true;
} }
@ -204,12 +204,9 @@ public class OracleDialect extends Dialect {
protected static boolean isAutonomous(DatabaseMetaData databaseMetaData) { protected static boolean isAutonomous(DatabaseMetaData databaseMetaData) {
if ( databaseMetaData != null ) { if ( databaseMetaData != null ) {
try ( java.sql.Statement s = databaseMetaData.getConnection().createStatement() ) { try ( java.sql.Statement statement = databaseMetaData.getConnection().createStatement() ) {
// v$pdbs is available to any user on Autonomous database return statement.executeQuery( "select 1 from dual where sys_context('USERENV','CLOUD_SERVICE') in ('OLTP','DWCS','JSON')" )
try ( ResultSet rs = s.executeQuery( "select p.name, t.region, t.base_size, t.service, t.infrastructure\n" + .next();
"from v$pdbs p, JSON_TABLE(p.cloud_identity, '$' COLUMNS (region path '$.REGION', base_size number path '$.BASE_SIZE', service path '$.SERVICE', infrastructure path '$.INFRASTRUCTURE')) t" ) ) {
return rs.next();
}
} }
catch ( SQLException ex ) { catch ( SQLException ex ) {
// Ignore // Ignore