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Code Issues Releases Wiki Activity

improve mysql ddl parser support

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This commit is contained in:
wenshao
2013-03-20 01:11:08 +08:00
parent 283fc0ee3b
commit cdc9a6d49f
6 changed files with 98 additions and 20 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlStatementParser.java
+11 -1
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@@ -30,6 +30,7 @@ import com.alibaba.druid.sql.ast.expr.SQLLiteralExpr;
import com.alibaba.druid.sql.ast.expr.SQLQueryExpr;
import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableAddPrimaryKey;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableAlterColumn;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableDropColumnItem;
import com.alibaba.druid.sql.ast.statement.SQLAlterTableDropIndex;
import com.alibaba.druid.sql.ast.statement.SQLColumnDefinition;
@@ -2213,7 +2214,16 @@ public class MySqlStatementParser extends SQLStatementParser {
stmt.getItems().add(item);
}
} else if (lexer.token() == Token.ALTER) {
throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
lexer.nextToken();
if (identifierEquals("COLUMN")) {
lexer.nextToken();
}
SQLAlterTableAlterColumn alterColumn = new SQLAlterTableAlterColumn();
SQLColumnDefinition columnDef = this.exprParser.parseColumn();
alterColumn.setColumn(columnDef);
stmt.getItems().add(alterColumn);
} else if (identifierEquals("CHANGE")) {
lexer.nextToken();
if (identifierEquals("COLUMN")) {