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Code Issues Releases Wiki Activity

improve mysql sqlparser

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This commit is contained in:
wenshao
2012-11-26 18:30:55 +08:00
parent 2c07ef700a
commit e2bb280675
10 changed files with 379 additions and 27 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlExprParser.java
+6
View File
@@ -154,6 +154,12 @@ public class MySqlExprParser extends SQLExprParser {
lexer.nextToken();
}
return primaryRest(varRefExpr);
case VALUES:
lexer.nextToken();
if (lexer.token() != Token.LPAREN) {
throw new ParserException("syntax error, illegal values clause");
}
return this.methodRest(new SQLIdentifierExpr("VALUES"), true);
default:
return super.primary();
}
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java
+19 -4
View File
@@ -812,13 +812,19 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
if (x.getValuesList().size() != 0) {
println();
print("VALUES ");
if (x.getValuesList().size() > 1) {
incrementIndent();
}
for (int i = 0, size = x.getValuesList().size(); i < size; ++i) {
if (i != 0) {
print(", ");
print(",");
println();
}
x.getValuesList().get(i).accept(this);
}
if (x.getValuesList().size() > 1) {
decrementIndent();
}
}
if (x.getQuery() != null) {
@@ -827,8 +833,17 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
}
if (x.getDuplicateKeyUpdate().size() != 0) {
print(" ON DUPLICATE KEY UPDATE ");
printAndAccept(x.getDuplicateKeyUpdate(), ", ");
println();
print("ON DUPLICATE KEY UPDATE ");
for (int i = 0, size = x.getDuplicateKeyUpdate().size(); i < size; ++i) {
if (i != 0) {
if (i % 5 == 0) {
println();
}
print(", ");
}
x.getDuplicateKeyUpdate().get(i).accept(this);
}
}
return false;