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Code Issues Releases Wiki Activity

refactor

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温少
2012-03-14 15:53:14 +08:00
parent 6b7958dbfd
commit 6f2aad48bc
22 changed files with 347 additions and 285 deletions
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src/main/java/com/alibaba/druid/mapping/spi/MappingVisitorUtils.java
+24
View File
@@ -4,14 +4,18 @@ import java.util.Map;
import com.alibaba.druid.mapping.DruidMappingException;
import com.alibaba.druid.mapping.Entity;
import com.alibaba.druid.mapping.MappingEngine;
import com.alibaba.druid.mapping.Property;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.expr.SQLAllColumnExpr;
import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.druid.sql.ast.statement.SQLDeleteStatement;
import com.alibaba.druid.sql.ast.statement.SQLExprTableSource;
import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelectItem;
import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
import com.alibaba.druid.sql.ast.statement.SQLTableSource;
import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
public class MappingVisitorUtils {
@@ -122,4 +126,24 @@ public class MappingVisitorUtils {
return entity;
}
public static void setDataSource(MappingEngine engine, SQLDeleteStatement stmt) {
if (stmt.getTableSource() == null) {
Entity entity = engine.getFirstEntity();
stmt.setTableSource(new SQLIdentifierExpr(entity.getName()));
}
}
public static void setDataSource(MappingEngine engine, SQLUpdateStatement stmt) {
if (stmt.getTableSource() == null) {
Entity entity = engine.getFirstEntity();
stmt.setTableSource(new SQLIdentifierExpr(entity.getName()));
}
}
public static void setDataSource(MappingEngine engine, SQLInsertStatement stmt) {
if (stmt.getTableSource() == null) {
Entity entity = engine.getFirstEntity();
stmt.setTableSource(new SQLIdentifierExpr(entity.getName()));
}
}
}
src/main/java/com/alibaba/druid/mapping/spi/MySqlMappingProvider.java
+4 -15
View File
@@ -2,9 +2,7 @@ package com.alibaba.druid.mapping.spi;
import java.util.List;
import com.alibaba.druid.mapping.Entity;
import com.alibaba.druid.mapping.MappingEngine;
import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
import com.alibaba.druid.sql.ast.expr.SQLNumericLiteralExpr;
import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
@@ -57,10 +55,7 @@ public class MySqlMappingProvider implements MappingProvider {
MySqlStatementParser parser = new MySqlStatementParser(sql);
MySqlDeleteStatement stmt = parser.parseDeleteStatement();
if (stmt.getTableSource() == null) {
Entity entity = engine.getFirstEntity();
stmt.setTableSource(new SQLIdentifierExpr(entity.getName()));
}
MappingVisitorUtils.setDataSource(engine, stmt);
return stmt;
}
@@ -69,10 +64,7 @@ public class MySqlMappingProvider implements MappingProvider {
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLUpdateStatement stmt = parser.parseUpdateStatement();
if (stmt.getTableSource() == null) {
Entity entity = engine.getFirstEntity();
stmt.setTableSource(new SQLIdentifierExpr(entity.getName()));
}
MappingVisitorUtils.setDataSource(engine, stmt);
return stmt;
}
@@ -80,11 +72,8 @@ public class MySqlMappingProvider implements MappingProvider {
public SQLInsertStatement explainToInsertSQLObject(MappingEngine engine, String sql) {
MySqlStatementParser parser = new MySqlStatementParser(sql);
SQLInsertStatement stmt = (SQLInsertStatement) parser.parseInsert();
if (stmt.getTableSource() == null) {
Entity entity = engine.getFirstEntity();
stmt.setTableSource(new SQLIdentifierExpr(entity.getName()));
}
MappingVisitorUtils.setDataSource(engine, stmt);
return stmt;
}
src/main/java/com/alibaba/druid/mapping/spi/OracleMappingProvider.java
+11 -9
View File
@@ -2,9 +2,7 @@ package com.alibaba.druid.mapping.spi;
import java.util.List;
import com.alibaba.druid.mapping.Entity;
import com.alibaba.druid.mapping.MappingEngine;
import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.druid.sql.ast.statement.SQLInsertStatement;
import com.alibaba.druid.sql.ast.statement.SQLSelectQueryBlock;
import com.alibaba.druid.sql.ast.statement.SQLUpdateStatement;
@@ -37,23 +35,27 @@ public class OracleMappingProvider implements MappingProvider {
public OracleDeleteStatement explainToDeleteSQLObject(MappingEngine engine, String sql) {
OracleStatementParser parser = new OracleStatementParser(sql);
OracleDeleteStatement stmt = parser.parseDeleteStatement();
if (stmt.getTableSource() == null) {
Entity entity = engine.getFirstEntity();
stmt.setTableName(new SQLIdentifierExpr(entity.getName()));
}
MappingVisitorUtils.setDataSource(engine, stmt);
return stmt;
}
public SQLUpdateStatement explainToUpdateSQLObject(MappingEngine engine, String sql) {
OracleStatementParser parser = new OracleStatementParser(sql);
return parser.parseUpdateStatement();
SQLUpdateStatement stmt = parser.parseUpdateStatement();
MappingVisitorUtils.setDataSource(engine, stmt);
return stmt;
}
public SQLInsertStatement explainToInsertSQLObject(MappingEngine engine, String sql) {
OracleStatementParser parser = new OracleStatementParser(sql);
return (SQLInsertStatement) parser.parseInsert();
SQLInsertStatement stmt = (SQLInsertStatement) parser.parseInsert();
MappingVisitorUtils.setDataSource(engine, stmt);
return stmt;
}
@Override
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlOutputVisitor.java
+2
View File
@@ -725,6 +725,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
x.getTableName().accept(this);
if (x.getColumns().size() > 0) {
incrementIndent();
println();
print("(");
for (int i = 0, size = x.getColumns().size(); i < size; ++i) {
@@ -738,6 +739,7 @@ public class MySqlOutputVisitor extends SQLASTOutputVisitor implements MySqlASTV
x.getColumns().get(i).accept(this);
}
print(")");
decrementIndent();
}
if (x.getValuesList().size() != 0) {
src/main/java/com/alibaba/druid/sql/dialect/mysql/visitor/MySqlParameterizedOutputVisitor.java
-4
View File
@@ -21,10 +21,6 @@ public class MySqlParameterizedOutputVisitor extends MySqlOutputVisitor {
super(appender);
}
public void println() {
print(' ');
}
public boolean visit(SQLInListExpr x) {
x.getExpr().accept(this);
src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleStatementParser.java
+10
View File
@@ -1227,6 +1227,16 @@ public class OracleStatementParser extends SQLStatementParser {
}
public OracleStatement parseInsert() {
if (lexer.token() == Token.LPAREN) {
OracleInsertStatement stmt = new OracleInsertStatement();
parseInsert0(stmt, false);
stmt.setReturning(parseReturningClause());
stmt.setErrorLogging(parseErrorLoggingClause());
return stmt;
}
accept(Token.INSERT);
List<OracleHint> hints = new ArrayList<OracleHint>();
src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleUpdateParser.java
+22 -19
View File
@@ -37,20 +37,23 @@ public class OracleUpdateParser extends SQLStatementParser {
}
public OracleUpdateStatement parseUpdateStatement() throws ParserException {
accept(Token.UPDATE);
OracleUpdateStatement update = new OracleUpdateStatement();
parseHints(update);
if (lexer.token() == Token.UPDATE) {
lexer.nextToken();
if (identifierEquals("ONLY")) {
update.setOnly(true);
}
parseHints(update);
SQLTableSource tableSource = this.exprParser.createSelectParser().parseTableSource();
update.setTableSource(tableSource);
if (identifierEquals("ONLY")) {
update.setOnly(true);
}
if ((update.getAlias() == null) || (update.getAlias().length() == 0)) {
update.setAlias(as());
SQLTableSource tableSource = this.exprParser.createSelectParser().parseTableSource();
update.setTableSource(tableSource);
if ((update.getAlias() == null) || (update.getAlias().length() == 0)) {
update.setAlias(as());
}
}
parseSet(update);
@@ -71,30 +74,30 @@ public class OracleUpdateParser extends SQLStatementParser {
private void parseReturn(OracleUpdateStatement update) throws ParserException {
if (identifierEquals("RETURN") || lexer.token() == Token.RETURNING) {
lexer.nextToken();
for (;;) {
SQLExpr item = this.exprParser.expr();
update.getReturning().add(item);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
}
break;
}
accept(Token.INTO);
for (;;) {
SQLExpr item = this.exprParser.expr();
update.getReturningInto().add(item);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
}
break;
}
}
@@ -118,7 +121,7 @@ public class OracleUpdateParser extends SQLStatementParser {
for (;;) {
SQLUpdateSetItem item = new SQLUpdateSetItem();
if (lexer.token() == (Token.LPAREN)) {
lexer.nextToken();
SQLListExpr list = new SQLListExpr();
@@ -135,7 +138,7 @@ public class OracleUpdateParser extends SQLStatementParser {
if (lexer.token() != Token.COMMA) {
break;
}
lexer.nextToken();
}
}
src/main/java/com/alibaba/druid/sql/dialect/oracle/visitor/OracleParameterizedOutputVisitor.java
+3 -3
View File
@@ -19,9 +19,9 @@ public class OracleParameterizedOutputVisitor extends OracleOutputVisitor {
public OracleParameterizedOutputVisitor(Appendable appender){
super(appender);
}
public void println() {
print(' ');
public OracleParameterizedOutputVisitor(Appendable appender, boolean printPostSemi){
super (appender, printPostSemi);
}
public boolean visit(SQLInListExpr x) {
src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGSQLStatementParser.java
+21 -18
View File
@@ -37,7 +37,7 @@ public class PGSQLStatementParser extends SQLStatementParser {
public PGSelectParser createSQLSelectParser() {
return new PGSelectParser(this.lexer);
}
public SQLUpdateStatement parseUpdateStatement() throws ParserException {
accept(Token.UPDATE);
@@ -68,10 +68,10 @@ public class PGSQLStatementParser extends SQLStatementParser {
lexer.nextToken();
udpateStatement.setWhere(this.exprParser.expr());
}
if (lexer.token() == Token.RETURNING) {
lexer.nextToken();
for (;;) {
udpateStatement.getReturning().add(this.exprParser.expr());
if (lexer.token() == Token.COMMA) {
@@ -86,17 +86,20 @@ public class PGSQLStatementParser extends SQLStatementParser {
}
public PGInsertStatement parseInsert() {
accept(Token.INSERT);
accept(Token.INTO);
PGInsertStatement stmt = new PGInsertStatement();
SQLName tableName = this.exprParser.name();
stmt.setTableName(tableName);
if (lexer.token() == Token.IDENTIFIER) {
stmt.setAlias(lexer.stringVal());
if (lexer.token() == Token.INSERT) {
lexer.nextToken();
accept(Token.INTO);
SQLName tableName = this.exprParser.name();
stmt.setTableName(tableName);
if (lexer.token() == Token.IDENTIFIER) {
stmt.setAlias(lexer.stringVal());
lexer.nextToken();
}
}
if (lexer.token() == (Token.LPAREN)) {
@@ -124,7 +127,7 @@ public class PGSQLStatementParser extends SQLStatementParser {
SQLQueryExpr queryExpr = (SQLQueryExpr) this.createExprParser().expr();
stmt.setQuery(queryExpr.getSubQuery());
}
if (lexer.token() == Token.RETURNING) {
lexer.nextToken();
SQLExpr returning = this.exprParser.expr();
@@ -242,7 +245,7 @@ public class PGSQLStatementParser extends SQLStatementParser {
return false;
}
public PGWithClause parseWithClause() {
lexer.nextToken();
@@ -269,7 +272,7 @@ public class PGSQLStatementParser extends SQLStatementParser {
private PGWithQuery withQuery() {
PGWithQuery withQuery = new PGWithQuery();
withQuery.setName(this.createExprParser().expr());
if (lexer.token() == Token.LPAREN) {
lexer.nextToken();
@@ -305,17 +308,17 @@ public class PGSQLStatementParser extends SQLStatementParser {
throw new ParserException("syntax error, support token '" + lexer.token() + "'");
}
withQuery.setQuery(query);
accept(Token.RPAREN);
}
return withQuery;
}
public PGSelectStatement parseSelect() throws ParserException {
return new PGSelectStatement(createSQLSelectParser().select());
}
public SQLStatement parseWith() {
PGWithClause with = this.parseWithClause();
if (lexer.token() == Token.INSERT) {
src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGSelectParser.java
+157 -156
View File
@@ -13,187 +13,188 @@ import com.alibaba.druid.sql.parser.Token;
public class PGSelectParser extends SQLSelectParser {
public PGSelectParser(Lexer lexer) {
super(lexer);
}
public PGSelectParser(Lexer lexer){
super(lexer);
}
public PGSelectParser(String sql) throws ParserException {
this(new PGLexer(sql));
this.lexer.nextToken();
}
public PGSelectParser(String sql) throws ParserException{
this(new PGLexer(sql));
this.lexer.nextToken();
}
@Override
public SQLSelectQuery query() throws ParserException {
PGSelectQueryBlock queryBlock = new PGSelectQueryBlock();
@Override
public SQLSelectQuery query() throws ParserException {
PGSelectQueryBlock queryBlock = new PGSelectQueryBlock();
accept(Token.SELECT);
if (lexer.token() == Token.SELECT) {
lexer.nextToken();
if (lexer.token() == Token.DISTINCT) {
queryBlock.setDistionOption(SQLSetQuantifier.DISTINCT);
lexer.nextToken();
if (lexer.token() == Token.DISTINCT) {
queryBlock.setDistionOption(SQLSetQuantifier.DISTINCT);
lexer.nextToken();
if (lexer.token() == Token.ON) {
lexer.nextToken();
if (lexer.token() == Token.ON) {
lexer.nextToken();
for (;;) {
SQLExpr expr = this.createExprParser().expr();
queryBlock.getDistinctOn().add(expr);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else {
break;
}
}
}
} else if (lexer.token() == Token.ALL) {
queryBlock.setDistionOption(SQLSetQuantifier.ALL);
lexer.nextToken();
}
parseSelectList(queryBlock);
if (lexer.token() == Token.INTO) {
IntoClause into = new IntoClause();
lexer.nextToken();
if (lexer.token() == Token.TEMPORARY) {
lexer.nextToken();
into.setOption(IntoClause.Option.TEMPORARY);
} else if (lexer.token() == Token.TEMP) {
lexer.nextToken();
into.setOption(IntoClause.Option.TEMP);
} else if (lexer.token() == Token.UNLOGGED) {
lexer.nextToken();
into.setOption(IntoClause.Option.UNLOGGED);
}
if (lexer.token() == Token.TABLE) {
lexer.nextToken();
}
SQLExpr name = this.createExprParser().name();
into.setTable(name);
queryBlock.setInto(into);
}
for (;;) {
SQLExpr expr = this.createExprParser().expr();
queryBlock.getDistinctOn().add(expr);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else {
break;
}
}
}
} else if (lexer.token() == Token.ALL) {
queryBlock.setDistionOption(SQLSetQuantifier.ALL);
lexer.nextToken();
}
parseFrom(queryBlock);
parseSelectList(queryBlock);
parseWhere(queryBlock);
if (lexer.token() == Token.INTO) {
IntoClause into = new IntoClause();
lexer.nextToken();
parseGroupBy(queryBlock);
if (lexer.token() == Token.TEMPORARY) {
lexer.nextToken();
into.setOption(IntoClause.Option.TEMPORARY);
} else if (lexer.token() == Token.TEMP) {
lexer.nextToken();
into.setOption(IntoClause.Option.TEMP);
} else if (lexer.token() == Token.UNLOGGED) {
lexer.nextToken();
into.setOption(IntoClause.Option.UNLOGGED);
}
if (lexer.token() == Token.WINDOW) {
lexer.nextToken();
PGSelectQueryBlock.WindowClause window = new PGSelectQueryBlock.WindowClause();
window.setName(this.expr());
accept(Token.AS);
if (lexer.token() == Token.TABLE) {
lexer.nextToken();
}
for (;;) {
SQLExpr expr = this.createExprParser().expr();
window.getDefinition().add(expr);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else {
break;
}
}
queryBlock.setWindow(window);
}
SQLExpr name = this.createExprParser().name();
into.setTable(name);
queryBlock.setOrderBy(this.createExprParser().parseOrderBy());
queryBlock.setInto(into);
}
}
if (lexer.token() == Token.LIMIT) {
lexer.nextToken();
if (lexer.token() == Token.ALL) {
queryBlock.setLimit(new SQLIdentifierExpr("ALL"));
lexer.nextToken();
} else {
SQLExpr limit = expr();
queryBlock.setLimit(limit);
}
}
parseFrom(queryBlock);
if (lexer.token() == Token.OFFSET) {
lexer.nextToken();
SQLExpr offset = expr();
queryBlock.setOffset(offset);
parseWhere(queryBlock);
if (lexer.token() == Token.ROW || lexer.token() == Token.ROWS) {
lexer.nextToken();
} else {
throw new ParserException("expect 'ROW' or 'ROWS'");
}
}
parseGroupBy(queryBlock);
if (lexer.token() == Token.FETCH) {
lexer.nextToken();
PGSelectQueryBlock.FetchClause fetch = new PGSelectQueryBlock.FetchClause();
if (lexer.token() == Token.WINDOW) {
lexer.nextToken();
PGSelectQueryBlock.WindowClause window = new PGSelectQueryBlock.WindowClause();
window.setName(this.expr());
accept(Token.AS);
if (lexer.token() == Token.FIRST) {
fetch.setOption(PGSelectQueryBlock.FetchClause.Option.FIRST);
} else if (lexer.token() == Token.NEXT) {
fetch.setOption(PGSelectQueryBlock.FetchClause.Option.NEXT);
} else {
throw new ParserException("expect 'FIRST' or 'NEXT'");
}
for (;;) {
SQLExpr expr = this.createExprParser().expr();
window.getDefinition().add(expr);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else {
break;
}
}
queryBlock.setWindow(window);
}
SQLExpr count = expr();
fetch.setCount(count);
queryBlock.setOrderBy(this.createExprParser().parseOrderBy());
if (lexer.token() == Token.ROW || lexer.token() == Token.ROWS) {
lexer.nextToken();
} else {
throw new ParserException("expect 'ROW' or 'ROWS'");
}
if (lexer.token() == Token.LIMIT) {
lexer.nextToken();
if (lexer.token() == Token.ALL) {
queryBlock.setLimit(new SQLIdentifierExpr("ALL"));
lexer.nextToken();
} else {
SQLExpr limit = expr();
queryBlock.setLimit(limit);
}
}
if (lexer.token() == Token.ONLY) {
lexer.nextToken();
} else {
throw new ParserException("expect 'ONLY'");
}
queryBlock.setFetch(fetch);
}
if (lexer.token() == Token.OFFSET) {
lexer.nextToken();
SQLExpr offset = expr();
queryBlock.setOffset(offset);
if (lexer.token() == Token.FOR) {
lexer.nextToken();
if (lexer.token() == Token.ROW || lexer.token() == Token.ROWS) {
lexer.nextToken();
} else {
throw new ParserException("expect 'ROW' or 'ROWS'");
}
}
PGSelectQueryBlock.ForClause forClause = new PGSelectQueryBlock.ForClause();
if (lexer.token() == Token.FETCH) {
lexer.nextToken();
PGSelectQueryBlock.FetchClause fetch = new PGSelectQueryBlock.FetchClause();
if (lexer.token() == Token.UPDATE) {
forClause.setOption(PGSelectQueryBlock.ForClause.Option.UPDATE);
} else if (lexer.token() == Token.SHARE) {
forClause.setOption(PGSelectQueryBlock.ForClause.Option.SHARE);
} else {
throw new ParserException("expect 'FIRST' or 'NEXT'");
}
if (lexer.token() == Token.FIRST) {
fetch.setOption(PGSelectQueryBlock.FetchClause.Option.FIRST);
} else if (lexer.token() == Token.NEXT) {
fetch.setOption(PGSelectQueryBlock.FetchClause.Option.NEXT);
} else {
throw new ParserException("expect 'FIRST' or 'NEXT'");
}
accept(Token.OF);
SQLExpr count = expr();
fetch.setCount(count);
for (;;) {
SQLExpr expr = this.createExprParser().expr();
forClause.getOf().add(expr);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else {
break;
}
}
if (lexer.token() == Token.ROW || lexer.token() == Token.ROWS) {
lexer.nextToken();
} else {
throw new ParserException("expect 'ROW' or 'ROWS'");
}
if (lexer.token() == Token.NOWAIT) {
lexer.nextToken();
forClause.setNoWait(true);
}
queryBlock.setForClause(forClause);
}
return queryRest(queryBlock);
}
if (lexer.token() == Token.ONLY) {
lexer.nextToken();
} else {
throw new ParserException("expect 'ONLY'");
}
queryBlock.setFetch(fetch);
}
if (lexer.token() == Token.FOR) {
lexer.nextToken();
PGSelectQueryBlock.ForClause forClause = new PGSelectQueryBlock.ForClause();
if (lexer.token() == Token.UPDATE) {
forClause.setOption(PGSelectQueryBlock.ForClause.Option.UPDATE);
} else if (lexer.token() == Token.SHARE) {
forClause.setOption(PGSelectQueryBlock.ForClause.Option.SHARE);
} else {
throw new ParserException("expect 'FIRST' or 'NEXT'");
}
accept(Token.OF);
for (;;) {
SQLExpr expr = this.createExprParser().expr();
forClause.getOf().add(expr);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else {
break;
}
}
if (lexer.token() == Token.NOWAIT) {
lexer.nextToken();
forClause.setNoWait(true);
}
queryBlock.setForClause(forClause);
}
return queryRest(queryBlock);
}
}
src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerSelectParser.java
+17 -15
View File
@@ -45,26 +45,28 @@ public class SQLServerSelectParser extends SQLSelectParser {
return queryRest(select);
}
accept(Token.SELECT);
SQLServerSelectQueryBlock queryBlock = new SQLServerSelectQueryBlock();
if (lexer.token() == Token.DISTINCT) {
queryBlock.setDistionOption(SQLSetQuantifier.DISTINCT);
if (lexer.token() == Token.SELECT) {
lexer.nextToken();
} else if (lexer.token() == Token.ALL) {
queryBlock.setDistionOption(SQLSetQuantifier.ALL);
lexer.nextToken();
}
if (lexer.token() == Token.TOP) {
Top top = new Top();
lexer.nextToken();
top.setExpr(createExprParser().primary());
queryBlock.setTop(top);
}
if (lexer.token() == Token.DISTINCT) {
queryBlock.setDistionOption(SQLSetQuantifier.DISTINCT);
lexer.nextToken();
} else if (lexer.token() == Token.ALL) {
queryBlock.setDistionOption(SQLSetQuantifier.ALL);
lexer.nextToken();
}
parseSelectList(queryBlock);
if (lexer.token() == Token.TOP) {
Top top = new Top();
lexer.nextToken();
top.setExpr(createExprParser().primary());
queryBlock.setTop(top);
}
parseSelectList(queryBlock);
}
parseFrom(queryBlock);
src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java
+32 -25
View File
@@ -189,9 +189,11 @@ public class SQLStatementParser extends SQLParser {
}
public SQLStatement parseInsert() {
accept(Token.INSERT);
SQLInsertStatement insertStatement = new SQLInsertStatement();
if (lexer.token() == Token.INSERT) {
accept(Token.INSERT);
}
parseInsert0(insertStatement);
return insertStatement;
@@ -206,20 +208,22 @@ public class SQLStatementParser extends SQLParser {
}
protected void parseInsert0(SQLInsertInto insertStatement, boolean acceptSubQuery) {
accept(Token.INTO);
SQLName tableName = this.exprParser.name();
insertStatement.setTableName(tableName);
if (lexer.token() == Token.LITERAL_ALIAS) {
insertStatement.setAlias(as());
}
parseInsert0_hinits(insertStatement);
if (lexer.token() == Token.IDENTIFIER) {
insertStatement.setAlias(lexer.stringVal());
if (lexer.token() == Token.INTO) {
lexer.nextToken();
SQLName tableName = this.exprParser.name();
insertStatement.setTableName(tableName);
if (lexer.token() == Token.LITERAL_ALIAS) {
insertStatement.setAlias(as());
}
parseInsert0_hinits(insertStatement);
if (lexer.token() == Token.IDENTIFIER) {
insertStatement.setAlias(lexer.stringVal());
lexer.nextToken();
}
}
if (lexer.token() == (Token.LPAREN)) {
@@ -347,14 +351,14 @@ public class SQLStatementParser extends SQLParser {
public SQLUpdateStatement parseUpdateStatement() throws ParserException {
SQLUpdateStatement udpateStatement = new SQLUpdateStatement();
if (lexer.token() == Token.UPDATE) {
lexer.nextToken();
SQLTableSource tableSource = this.exprParser.createSelectParser().parseTableSource();
udpateStatement.setTableSource(tableSource);
}
accept(Token.SET);
for (;;) {
@@ -382,15 +386,18 @@ public class SQLStatementParser extends SQLParser {
}
public SQLDeleteStatement parseDeleteStatement() throws ParserException {
lexer.nextToken();
if (lexer.token() == (Token.FROM)) {
lexer.nextToken();
}
SQLName tableName = exprParser.name();
SQLDeleteStatement deleteStatement = new SQLDeleteStatement();
deleteStatement.setTableName(tableName);
if (lexer.token() == Token.DELETE) {
lexer.nextToken();
if (lexer.token() == (Token.FROM)) {
lexer.nextToken();
}
SQLName tableName = exprParser.name();
deleteStatement.setTableName(tableName);
}
if (lexer.token() == (Token.WHERE)) {
lexer.nextToken();
src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
+2 -1
View File
@@ -681,7 +681,8 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter {
if (x.getValues() != null) {
println();
print("VALUES ");
print("VALUES");
println();
x.getValues().accept(this);
} else {
if (x.getQuery() != null) {