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Code Issues Releases Wiki Activity

improved postgresql parser. for issue #1841

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This commit is contained in:
wenshao
2017-07-23 17:12:38 +08:00
parent 904eed243c
commit 814cb1f024
5 changed files with 136 additions and 41 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java
+68 -40
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@@ -115,48 +115,76 @@ public class SQLExprParser extends SQLParser {
public SQLExpr bitXorRest(SQLExpr expr) {
Token token = lexer.token;
if (token == Token.CARET) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BitwiseXor, rightExp, dbType);
expr = bitXorRest(expr);
} else if (token == Token.SUBGT) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.SubGt, rightExp, dbType);
expr = bitXorRest(expr);
} else if (token == Token.SUBGTGT) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.SubGtGt, rightExp, dbType);
expr = bitXorRest(expr);
} else if (token == Token.POUNDGT) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.PoundGt, rightExp, dbType);
expr = bitXorRest(expr);
} else if (token == Token.POUNDGTGT) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.PoundGtGt, rightExp, dbType);
expr = bitXorRest(expr);
} else if (token == Token.QUESQUES) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.QuesQues, rightExp, dbType);
expr = bitXorRest(expr);
} else if (token == Token.QUESBAR) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.QuesBar, rightExp, dbType);
expr = bitXorRest(expr);
} else if (token == Token.QUESAMP) {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.QuesAmp, rightExp, dbType);
expr = bitXorRest(expr);
switch (token) {
case CARET: {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BitwiseXor, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case SUBGT:{
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.SubGt, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case LT_SUB_GT: {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.PG_ST_DISTANCE, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case SUBGTGT:{
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.SubGtGt, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case POUNDGT: {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.PoundGt, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case POUNDGTGT: {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.PoundGtGt, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case QUESQUES: {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.QuesQues, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case QUESBAR: {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.QuesBar, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
case QUESAMP: {
lexer.nextToken();
SQLExpr rightExp = primary();
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.QuesAmp, rightExp, dbType);
expr = bitXorRest(expr);
break;
}
default:
break;
}
return expr;
}