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Code Issues Releases Wiki Activity

mysql parser

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温少
2012-05-17 21:20:54 +08:00
parent 4d20574030
commit 5ea37c07f0
16 changed files with 210 additions and 51 deletions
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src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
+44
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@@ -34,6 +34,8 @@ import com.alibaba.druid.sql.ast.statement.SQLDropViewStatement;
import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
import com.alibaba.druid.sql.ast.statement.SQLInsertInto;
import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
import com.alibaba.druid.sql.ast.statement.SQLReleaseSavePointStatement;
import com.alibaba.druid.sql.ast.statement.SQLRollbackStatement;
import com.alibaba.druid.sql.ast.statement.SQLSavePointStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
import com.alibaba.druid.sql.ast.statement.SQLSetStatement;
@@ -166,12 +168,25 @@ public class SQLStatementParser extends SQLParser {
continue;
}
if (identifierEquals("RELEASE")) {
SQLStatement stmt = parseReleaseSavePoint();
statementList.add(stmt);
continue;
}
if (identifierEquals("SAVEPOINT")) {
SQLStatement stmt = parseSavePoint();
statementList.add(stmt);
continue;
}
if (identifierEquals("ROLLBACK")) {
SQLRollbackStatement stmt = parseRollback();
statementList.add(stmt);
continue;
}
if (parseStatementListDialect(statementList)) {
continue;
}
@@ -192,6 +207,27 @@ public class SQLStatementParser extends SQLParser {
}
}
public SQLRollbackStatement parseRollback() {
lexer.nextToken();
if (identifierEquals("WORK")) {
lexer.nextToken();
}
SQLRollbackStatement stmt = new SQLRollbackStatement();
if (identifierEquals("TO")) {
lexer.nextToken();
if (identifierEquals("SAVEPOINT")) {
lexer.nextToken();
}
stmt.setTo(this.exprParser.name());
}
return stmt;
}
public SQLUseStatement parseUse() {
accept(Token.USE);
SQLUseStatement stmt = new SQLUseStatement();
@@ -206,6 +242,14 @@ public class SQLStatementParser extends SQLParser {
return stmt;
}
public SQLStatement parseReleaseSavePoint() {
acceptIdentifier("RELEASE");
acceptIdentifier("SAVEPOINT");
SQLReleaseSavePointStatement stmt = new SQLReleaseSavePointStatement();
stmt.setName(this.exprParser.name());
return stmt;
}
public SQLStatement parseAlter() {
accept(Token.ALTER);
throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());