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Code Issues Releases Wiki Activity

sql parser improve sql server support

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This commit is contained in:
wenshao
2013-01-12 16:03:15 +08:00
parent 60ea70b09d
commit b503104bec
12 changed files with 298 additions and 83 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
+29 -17
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@@ -21,6 +21,7 @@ import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.ast.expr.SQLListExpr;
import com.alibaba.druid.sql.ast.expr.SQLQueryExpr;
import com.alibaba.druid.sql.ast.statement.SQLAssignItem;
import com.alibaba.druid.sql.ast.statement.SQLCallStatement;
@@ -565,23 +566,7 @@ public class SQLStatementParser extends SQLParser {
udpateStatement.setTableSource(tableSource);
}
accept(Token.SET);
for (;;) {
SQLUpdateSetItem item = new SQLUpdateSetItem();
item.setColumn(this.exprParser.name());
accept(Token.EQ);
item.setValue(this.exprParser.expr());
udpateStatement.getItems().add(item);
if (lexer.token() == (Token.COMMA)) {
lexer.nextToken();
continue;
}
break;
}
parseUpdateSet(udpateStatement);
if (lexer.token() == (Token.WHERE)) {
lexer.nextToken();
@@ -590,6 +575,33 @@ public class SQLStatementParser extends SQLParser {
return udpateStatement;
}
protected void parseUpdateSet(SQLUpdateStatement update) {
accept(Token.SET);
for (;;) {
SQLUpdateSetItem item = new SQLUpdateSetItem();
if (lexer.token() == (Token.LPAREN)) {
lexer.nextToken();
SQLListExpr list = new SQLListExpr();
this.exprParser.exprList(list.getItems());
accept(Token.RPAREN);
item.setColumn(list);
} else {
item.setColumn(this.exprParser.primary());
}
accept(Token.EQ);
item.setValue(this.exprParser.expr());
update.getItems().add(item);
if (lexer.token() != Token.COMMA) {
break;
}
lexer.nextToken();
}
}
protected SQLUpdateStatement createUpdateStatement() {
return new SQLUpdateStatement();