question: add double quotes around an identifier if required . for the h2 database , all identifiers are quoted . concode_field_sep boolean isH2ModeMySQL concode_elem_sep boolean isOracle concode_elem_sep DbSchema defaultSchema concode_elem_sep boolean isH2 concode_elem_sep boolean isPostgreSQL concode_elem_sep boolean isSQLite concode_elem_sep boolean isMSSQLServer concode_elem_sep boolean isDB2 concode_elem_sep DbSchema[] schemas concode_elem_sep boolean isDerby concode_elem_sep boolean isMySQL concode_elem_sep boolean isFirebird concode_field_sep boolean isH2ModeMySQL concode_elem_sep boolean isOracle concode_elem_sep boolean isH2 concode_elem_sep boolean isDerby concode_elem_sep DbSchema[] getSchemas concode_elem_sep String getDefaultSchemaName concode_elem_sep String[] getSchemaNames concode_elem_sep boolean isMSSQLServer concode_elem_sep boolean isPostgreSQL concode_elem_sep boolean isSQLite concode_elem_sep boolean isDB2 concode_elem_sep boolean isMySQL concode_elem_sep DbSchema getDefaultSchema concode_elem_sep boolean isFirebird concode_elem_sep void readContents
target: String function ( String arg0 ) { if ( arg0 == null ) { return null ; } if ( isH2 && ! isH2ModeMySQL ) { return Parser . quoteIdentifier ( arg0 ) ; } return StringUtils . toUpperEnglish ( arg0 ) ; }