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Code Issues Releases Wiki Activity

improved sql parser. for issue #2079

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This commit is contained in:
wenshao
2017-11-01 16:54:22 +08:00
parent 616ec0d431
commit 434bfe7140
11 changed files with 339 additions and 21 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
+21
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@@ -3164,6 +3164,10 @@ public class SQLStatementParser extends SQLParser {
expr = new SQLIntegerExpr(lexer.integerValue());
}
lexer.nextTokenComma();
if (lexer.token != Token.COMMA && lexer.token != Token.RPAREN) {
expr = this.exprParser.exprRest(expr);
}
} else if (lexer.token() == Token.LITERAL_CHARS) {
if (optimizedForParameterized) {
expr = new SQLVariantRefExpr("?");
@@ -3172,6 +3176,9 @@ public class SQLStatementParser extends SQLParser {
expr = new SQLCharExpr(lexer.stringVal());
}
lexer.nextTokenComma();
if (lexer.token != Token.COMMA && lexer.token != Token.RPAREN) {
expr = this.exprParser.exprRest(expr);
}
} else if (lexer.token() == Token.LITERAL_NCHARS) {
if (optimizedForParameterized) {
expr = new SQLVariantRefExpr("?");
@@ -3180,6 +3187,20 @@ public class SQLStatementParser extends SQLParser {
expr = new SQLNCharExpr(lexer.stringVal());
}
lexer.nextTokenComma();
if (lexer.token != Token.COMMA && lexer.token != Token.RPAREN) {
expr = this.exprParser.exprRest(expr);
}
} else if (lexer.token == Token.NULL) {
if (optimizedForParameterized) {
expr = new SQLVariantRefExpr("?");
values.incrementReplaceCount();
} else {
expr = new SQLNullExpr();
}
lexer.nextTokenComma();
if (lexer.token != Token.COMMA && lexer.token != Token.RPAREN) {
expr = this.exprParser.exprRest(expr);
}
} else {
expr = exprParser.expr();
}