mirror of
https://github.com/alibaba/druid.git
synced 2023-03-04 19:17:16 +00:00
improved sql parser.
This commit is contained in:
@@ -49,7 +49,7 @@ import com.alibaba.druid.util.StringUtils;
|
||||
*/
|
||||
public class Lexer {
|
||||
|
||||
protected int features = 0; //SQLParserFeature.of(SQLParserFeature.EnableSQLBinaryOpExprGroup);
|
||||
protected int features = 0; //SQLParserFeature.of(SQLParserFeature.EnableSQLBinaryOpExprGroup);
|
||||
protected final String text;
|
||||
protected int pos;
|
||||
protected int mark;
|
||||
@@ -61,41 +61,36 @@ public class Lexer {
|
||||
|
||||
protected Token token;
|
||||
|
||||
protected Keywords keywods = Keywords.DEFAULT_KEYWORDS;
|
||||
protected Keywords keywods = Keywords.DEFAULT_KEYWORDS;
|
||||
|
||||
protected String stringVal;
|
||||
protected long hash_lower; // fnv1a_64
|
||||
protected long hash;
|
||||
protected long hash;
|
||||
|
||||
protected int commentCount = 0;
|
||||
protected int commentCount = 0;
|
||||
|
||||
protected List<String> comments = new ArrayList<String>(2);
|
||||
protected List<String> comments = new ArrayList<String>(2);
|
||||
|
||||
protected boolean skipComment = true;
|
||||
protected boolean skipComment = true;
|
||||
|
||||
private SavePoint savePoint = null;
|
||||
private SavePoint savePoint = null;
|
||||
|
||||
/*
|
||||
* anti sql injection
|
||||
*/
|
||||
private boolean allowComment = true;
|
||||
|
||||
|
||||
private int varIndex = -1;
|
||||
|
||||
protected CommentHandler commentHandler;
|
||||
|
||||
protected boolean endOfComment = false;
|
||||
|
||||
protected boolean keepComments = false;
|
||||
|
||||
protected int line = 0;
|
||||
|
||||
protected int lines = 0;
|
||||
|
||||
protected String dbType;
|
||||
|
||||
protected boolean hasSpecial = false;
|
||||
|
||||
private int startPos;
|
||||
private int posLine;
|
||||
private int posColumn;
|
||||
|
||||
@@ -45,7 +45,7 @@ import com.alibaba.druid.sql.ast.statement.SQLSelectOrderByItem;
|
||||
import com.alibaba.druid.sql.ast.statement.SQLUnique;
|
||||
import com.alibaba.druid.sql.ast.statement.SQLUpdateSetItem;
|
||||
import com.alibaba.druid.util.FnvHash;
|
||||
import com.alibaba.druid.util.FnvConstants;
|
||||
import com.alibaba.druid.util.FnvHash.Constants;
|
||||
import com.alibaba.druid.util.JdbcConstants;
|
||||
|
||||
public class SQLExprParser extends SQLParser {
|
||||
@@ -237,7 +237,7 @@ public class SQLExprParser extends SQLParser {
|
||||
SQLExpr rightExp = bitXor();
|
||||
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.DIV, rightExp, getDbType());
|
||||
expr = multiplicativeRest(expr);
|
||||
} else if (lexer.identifierEquals(FnvConstants.MOD)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.MOD)) {
|
||||
lexer.nextToken();
|
||||
SQLExpr rightExp = primary();
|
||||
|
||||
@@ -788,7 +788,7 @@ public class SQLExprParser extends SQLParser {
|
||||
if (token == Token.OF) {
|
||||
if (expr instanceof SQLIdentifierExpr) {
|
||||
long hashCode64 = ((SQLIdentifierExpr) expr).hashCode64();
|
||||
if (hashCode64 == FnvConstants.CURRENT) {
|
||||
if (hashCode64 == FnvHash.Constants.CURRENT) {
|
||||
lexer.nextToken();
|
||||
SQLName cursorName = this.name();
|
||||
return new SQLCurrentOfCursorExpr(cursorName);
|
||||
@@ -797,17 +797,17 @@ public class SQLExprParser extends SQLParser {
|
||||
} else if (token == Token.FOR) {
|
||||
if (expr instanceof SQLIdentifierExpr) {
|
||||
SQLIdentifierExpr idenExpr = (SQLIdentifierExpr) expr;
|
||||
if (idenExpr.hashCode64() == FnvConstants.NEXTVAL) {
|
||||
if (idenExpr.hashCode64() == FnvHash.Constants.NEXTVAL) {
|
||||
lexer.nextToken();
|
||||
SQLName seqName = this.name();
|
||||
SQLSequenceExpr seqExpr = new SQLSequenceExpr(seqName, SQLSequenceExpr.Function.NextVal);
|
||||
return seqExpr;
|
||||
} else if (idenExpr.hashCode64() == FnvConstants.CURRVAL) {
|
||||
} else if (idenExpr.hashCode64() == FnvHash.Constants.CURRVAL) {
|
||||
lexer.nextToken();
|
||||
SQLName seqName = this.name();
|
||||
SQLSequenceExpr seqExpr = new SQLSequenceExpr(seqName, SQLSequenceExpr.Function.CurrVal);
|
||||
return seqExpr;
|
||||
} else if (idenExpr.hashCode64() == FnvConstants.PREVVAL) {
|
||||
} else if (idenExpr.hashCode64() == FnvHash.Constants.PREVVAL) {
|
||||
lexer.nextToken();
|
||||
SQLName seqName = this.name();
|
||||
SQLSequenceExpr seqExpr = new SQLSequenceExpr(seqName, SQLSequenceExpr.Function.PrevVal);
|
||||
@@ -826,7 +826,7 @@ public class SQLExprParser extends SQLParser {
|
||||
|
||||
expr = dotRest(expr);
|
||||
return primaryRest(expr);
|
||||
} else if (lexer.identifierEquals(FnvConstants.SETS) //
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.SETS) //
|
||||
&& expr.getClass() == SQLIdentifierExpr.class //
|
||||
&& "GROUPING".equalsIgnoreCase(((SQLIdentifierExpr) expr).getName())) {
|
||||
SQLGroupingSetExpr groupingSets = new SQLGroupingSetExpr();
|
||||
@@ -907,24 +907,24 @@ public class SQLExprParser extends SQLParser {
|
||||
methodName = identifierExpr.getName();
|
||||
hash_lower = identifierExpr.nameHashCode64();
|
||||
|
||||
if (hash_lower == FnvConstants.TRIM) {
|
||||
if (lexer.identifierEquals(FnvConstants.LEADING)) {
|
||||
if (hash_lower == FnvHash.Constants.TRIM) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.LEADING)) {
|
||||
trimOption = lexer.stringVal();
|
||||
lexer.nextToken();
|
||||
} else if (lexer.identifierEquals(FnvConstants.BOTH)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.BOTH)) {
|
||||
trimOption = lexer.stringVal();
|
||||
lexer.nextToken();
|
||||
} else if (lexer.identifierEquals(FnvConstants.TRAILING)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.TRAILING)) {
|
||||
trimOption = lexer.stringVal();
|
||||
lexer.nextToken();
|
||||
}
|
||||
} else if (hash_lower == FnvConstants.MATCH
|
||||
} else if (hash_lower == FnvHash.Constants.MATCH
|
||||
&& JdbcConstants.MYSQL.equals(dbType)) {
|
||||
return parseMatch();
|
||||
} else if (hash_lower == FnvConstants.EXTRACT
|
||||
} else if (hash_lower == FnvHash.Constants.EXTRACT
|
||||
&& JdbcConstants.MYSQL.equals(dbType)) {
|
||||
return parseExtract();
|
||||
} else if (hash_lower == FnvConstants.POSITION
|
||||
} else if (hash_lower == FnvHash.Constants.POSITION
|
||||
&& JdbcConstants.MYSQL.equals(dbType)) {
|
||||
return parsePosition();
|
||||
}
|
||||
@@ -977,7 +977,7 @@ public class SQLExprParser extends SQLParser {
|
||||
}
|
||||
}
|
||||
|
||||
if (lexer.token == Token.USING || lexer.identifierEquals(FnvConstants.USING)) {
|
||||
if (lexer.token == Token.USING || lexer.identifierEquals(FnvHash.Constants.USING)) {
|
||||
lexer.nextToken();
|
||||
SQLExpr using = this.primary();
|
||||
methodInvokeExpr.setUsing(using);
|
||||
@@ -1252,7 +1252,7 @@ public class SQLExprParser extends SQLParser {
|
||||
} else if (lexer.token == Token.DISTINCT) {
|
||||
aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateOption.DISTINCT);
|
||||
lexer.nextToken();
|
||||
} else if (lexer.identifierEquals(FnvConstants.DEDUPLICATION)) { // just for nut
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.DEDUPLICATION)) { // just for nut
|
||||
aggregateExpr = new SQLAggregateExpr(methodName, SQLAggregateOption.DEDUPLICATION);
|
||||
lexer.nextToken();
|
||||
} else {
|
||||
@@ -1300,10 +1300,10 @@ public class SQLExprParser extends SQLParser {
|
||||
}
|
||||
|
||||
SQLOver.WindowingType windowingType = null;
|
||||
if (lexer.identifierEquals(FnvConstants.ROWS)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.ROWS)) {
|
||||
windowingType = SQLOver.WindowingType.ROWS;
|
||||
|
||||
} else if (lexer.identifierEquals(FnvConstants.RANGE)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.RANGE)) {
|
||||
windowingType = SQLOver.WindowingType.RANGE;
|
||||
}
|
||||
|
||||
@@ -1316,10 +1316,10 @@ public class SQLExprParser extends SQLParser {
|
||||
SQLIntegerExpr rowsBegin = (SQLIntegerExpr) this.primary();
|
||||
over.setWindowingBetweenBegin(rowsBegin);
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.PRECEDING)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.PRECEDING)) {
|
||||
over.setWindowingBetweenBeginPreceding(true);
|
||||
lexer.nextToken();
|
||||
} else if (lexer.identifierEquals(FnvConstants.FOLLOWING)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.FOLLOWING)) {
|
||||
over.setWindowingBetweenBeginFollowing(true);
|
||||
lexer.nextToken();
|
||||
}
|
||||
@@ -1329,25 +1329,25 @@ public class SQLExprParser extends SQLParser {
|
||||
SQLIntegerExpr betweenEnd = (SQLIntegerExpr) this.primary();
|
||||
over.setWindowingBetweenEnd(betweenEnd);
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.PRECEDING)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.PRECEDING)) {
|
||||
over.setWindowingBetweenEndPreceding(true);
|
||||
lexer.nextToken();
|
||||
} else if (lexer.identifierEquals(FnvConstants.FOLLOWING)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.FOLLOWING)) {
|
||||
over.setWindowingBetweenEndFollowing(true);
|
||||
lexer.nextToken();
|
||||
}
|
||||
|
||||
} else {
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.CURRENT)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.CURRENT)) {
|
||||
lexer.nextToken();
|
||||
acceptIdentifier("ROW");
|
||||
over.setWindowing(new SQLIdentifierExpr("CURRENT ROW"));
|
||||
} else if (lexer.identifierEquals(FnvConstants.UNBOUNDED)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.UNBOUNDED)) {
|
||||
lexer.nextToken();
|
||||
over.setWindowing(new SQLIdentifierExpr("UNBOUNDED"));
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.PRECEDING)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.PRECEDING)) {
|
||||
over.setWindowingPreceding(true);
|
||||
lexer.nextToken();
|
||||
} else if (lexer.identifierEquals("FOLLOWING")) {
|
||||
@@ -1358,10 +1358,10 @@ public class SQLExprParser extends SQLParser {
|
||||
SQLIntegerExpr rowsExpr = (SQLIntegerExpr) this.primary();
|
||||
over.setWindowing(rowsExpr);
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.PRECEDING)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.PRECEDING)) {
|
||||
over.setWindowingPreceding(true);
|
||||
lexer.nextToken();
|
||||
} else if (lexer.identifierEquals(FnvConstants.FOLLOWING)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.FOLLOWING)) {
|
||||
over.setWindowingFollowing(true);
|
||||
lexer.nextToken();
|
||||
}
|
||||
@@ -1383,7 +1383,7 @@ public class SQLExprParser extends SQLParser {
|
||||
|
||||
lexer.nextToken();
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.SIBLINGS)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.SIBLINGS)) {
|
||||
lexer.nextToken();
|
||||
orderBy.setSibings(true);
|
||||
}
|
||||
@@ -1423,12 +1423,12 @@ public class SQLExprParser extends SQLParser {
|
||||
item.setType(SQLOrderingSpecification.DESC);
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.NULLS)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.NULLS)) {
|
||||
lexer.nextToken();
|
||||
if (lexer.identifierEquals(FnvConstants.FIRST)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.FIRST)) {
|
||||
lexer.nextToken();
|
||||
item.setNullsOrderType(SQLSelectOrderByItem.NullsOrderType.NullsFirst);
|
||||
} else if (lexer.identifierEquals(FnvConstants.LAST)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.LAST)) {
|
||||
lexer.nextToken();
|
||||
item.setNullsOrderType(SQLSelectOrderByItem.NullsOrderType.NullsLast);
|
||||
} else {
|
||||
@@ -1842,7 +1842,7 @@ public class SQLExprParser extends SQLParser {
|
||||
rightExp = primary();
|
||||
expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.Escape, rightExp, getDbType());
|
||||
}
|
||||
} else if (lexer.identifierEquals(FnvConstants.RLIKE)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.RLIKE)) {
|
||||
lexer.nextToken();
|
||||
rightExp = equality();
|
||||
|
||||
@@ -1900,7 +1900,7 @@ public class SQLExprParser extends SQLParser {
|
||||
expr = new SQLBinaryOpExpr(expr, op, rightExp, dbType);
|
||||
} else if (token == Token.IN) {
|
||||
expr = inRest(expr);
|
||||
} else if (lexer.identifierEquals(FnvConstants.REGEXP)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.REGEXP)) {
|
||||
lexer.nextToken();
|
||||
rightExp = equality();
|
||||
|
||||
@@ -1909,7 +1909,7 @@ public class SQLExprParser extends SQLParser {
|
||||
return new SQLBinaryOpExpr(expr, SQLBinaryOperator.RegExp, rightExp, JdbcConstants.MYSQL);
|
||||
|
||||
} else if (JdbcConstants.POSTGRESQL.equals(lexer.dbType)) {
|
||||
if (lexer.identifierEquals(FnvConstants.SIMILAR)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.SIMILAR)) {
|
||||
lexer.nextToken();
|
||||
accept(Token.TO);
|
||||
|
||||
@@ -2010,7 +2010,7 @@ public class SQLExprParser extends SQLParser {
|
||||
expr = new SQLBetweenExpr(expr, true, beginExpr, endExpr);
|
||||
|
||||
return expr;
|
||||
} else if (lexer.identifierEquals(FnvConstants.RLIKE)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.RLIKE)) {
|
||||
lexer.nextToken();
|
||||
SQLExpr rightExp = primary();
|
||||
|
||||
@@ -2024,7 +2024,7 @@ public class SQLExprParser extends SQLParser {
|
||||
rightExp = relationalRest(rightExp);
|
||||
|
||||
return new SQLBinaryOpExpr(expr, SQLBinaryOperator.NotILike, rightExp, getDbType());
|
||||
} else if (lexer.identifierEquals(FnvConstants.REGEXP)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.REGEXP)) {
|
||||
lexer.nextToken();
|
||||
SQLExpr rightExp = primary();
|
||||
|
||||
@@ -2102,14 +2102,14 @@ public class SQLExprParser extends SQLParser {
|
||||
accept(Token.RPAREN);
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.PRECISION)
|
||||
&& dataType.nameHashCode64() == FnvConstants.DOUBLE) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.PRECISION)
|
||||
&& dataType.nameHashCode64() == FnvHash.Constants.DOUBLE) {
|
||||
lexer.nextToken();
|
||||
dataType.setName("DOUBLE PRECISION");
|
||||
}
|
||||
|
||||
if (FnvConstants.TIMESTAMP == dataType.nameHashCode64()) {
|
||||
if (lexer.identifierEquals(FnvConstants.WITHOUT)) {
|
||||
if (FnvHash.Constants.TIMESTAMP == dataType.nameHashCode64()) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.WITHOUT)) {
|
||||
lexer.nextToken();
|
||||
acceptIdentifier("TIME");
|
||||
acceptIdentifier("ZONE");
|
||||
@@ -2132,14 +2132,14 @@ public class SQLExprParser extends SQLParser {
|
||||
|
||||
|
||||
protected boolean isCharType(long hash) {
|
||||
return hash == FnvConstants.CHAR
|
||||
|| hash == FnvConstants.VARCHAR
|
||||
|| hash == FnvConstants.NCHAR
|
||||
|| hash == FnvConstants.NVARCHAR
|
||||
|| hash == FnvConstants.TINYTEXT
|
||||
|| hash == FnvConstants.TEXT
|
||||
|| hash == FnvConstants.MEDIUMTEXT
|
||||
|| hash == FnvConstants.LONGTEXT
|
||||
return hash == FnvHash.Constants.CHAR
|
||||
|| hash == FnvHash.Constants.VARCHAR
|
||||
|| hash == FnvHash.Constants.NCHAR
|
||||
|| hash == FnvHash.Constants.NVARCHAR
|
||||
|| hash == FnvHash.Constants.TINYTEXT
|
||||
|| hash == FnvHash.Constants.TEXT
|
||||
|| hash == FnvHash.Constants.MEDIUMTEXT
|
||||
|| hash == FnvHash.Constants.LONGTEXT
|
||||
;
|
||||
}
|
||||
|
||||
@@ -2149,7 +2149,7 @@ public class SQLExprParser extends SQLParser {
|
||||
lexer.nextToken();
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.CHARACTER)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.CHARACTER)) {
|
||||
lexer.nextToken();
|
||||
|
||||
accept(Token.SET);
|
||||
@@ -2166,7 +2166,7 @@ public class SQLExprParser extends SQLParser {
|
||||
lexer.nextToken();
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.COLLATE)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.COLLATE)) {
|
||||
lexer.nextToken();
|
||||
|
||||
if (lexer.token != Token.IDENTIFIER) {
|
||||
@@ -2347,16 +2347,16 @@ public class SQLExprParser extends SQLParser {
|
||||
} else if (lexer.token == Token.ENABLE) {
|
||||
lexer.nextToken();
|
||||
check.setEnable(true);
|
||||
} else if (lexer.identifierEquals(FnvConstants.VALIDATE)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.VALIDATE)) {
|
||||
lexer.nextToken();
|
||||
check.setValidate(Boolean.TRUE);
|
||||
} else if (lexer.identifierEquals(FnvConstants.NOVALIDATE)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.NOVALIDATE)) {
|
||||
lexer.nextToken();
|
||||
check.setValidate(Boolean.FALSE);
|
||||
} else if (lexer.identifierEquals(FnvConstants.RELY)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.RELY)) {
|
||||
lexer.nextToken();
|
||||
check.setRely(Boolean.TRUE);
|
||||
} else if (lexer.identifierEquals(FnvConstants.NORELY)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.NORELY)) {
|
||||
lexer.nextToken();
|
||||
check.setRely(Boolean.FALSE);
|
||||
}
|
||||
@@ -2389,16 +2389,16 @@ public class SQLExprParser extends SQLParser {
|
||||
} else if (lexer.token == Token.ENABLE) {
|
||||
lexer.nextToken();
|
||||
unique.setEnable(true);
|
||||
} else if (lexer.identifierEquals(FnvConstants.VALIDATE)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.VALIDATE)) {
|
||||
lexer.nextToken();
|
||||
unique.setValidate(Boolean.TRUE);
|
||||
} else if (lexer.identifierEquals(FnvConstants.NOVALIDATE)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.NOVALIDATE)) {
|
||||
lexer.nextToken();
|
||||
unique.setValidate(Boolean.FALSE);
|
||||
} else if (lexer.identifierEquals(FnvConstants.RELY)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.RELY)) {
|
||||
lexer.nextToken();
|
||||
unique.setRely(Boolean.TRUE);
|
||||
} else if (lexer.identifierEquals(FnvConstants.NORELY)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.NORELY)) {
|
||||
lexer.nextToken();
|
||||
unique.setRely(Boolean.FALSE);
|
||||
}
|
||||
@@ -2417,7 +2417,7 @@ public class SQLExprParser extends SQLParser {
|
||||
item.setTarget(var);
|
||||
if (lexer.token == Token.COLONEQ) {
|
||||
lexer.nextToken();
|
||||
} else if (lexer.token == Token.TRUE || lexer.identifierEquals(FnvConstants.TRUE)) {
|
||||
} else if (lexer.token == Token.TRUE || lexer.identifierEquals(FnvHash.Constants.TRUE)) {
|
||||
lexer.nextToken();
|
||||
item.setValue(new SQLBooleanExpr(true));
|
||||
return item;
|
||||
@@ -2531,7 +2531,7 @@ public class SQLExprParser extends SQLParser {
|
||||
if (lexer.token == Token.ON) {
|
||||
lexer.nextToken();
|
||||
accept(Token.DELETE);
|
||||
if (lexer.identifierEquals(FnvConstants.CASCADE)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.CASCADE)) {
|
||||
lexer.nextToken();
|
||||
fk.setOnDeleteCascade(true);
|
||||
} else {
|
||||
@@ -2557,11 +2557,11 @@ public class SQLExprParser extends SQLParser {
|
||||
long hash_lower = lexer.hash_lower();
|
||||
lexer.nextTokenComma();
|
||||
|
||||
if (hash_lower == FnvConstants.CONNECT_BY_ROOT) {
|
||||
if (hash_lower == FnvHash.Constants.CONNECT_BY_ROOT) {
|
||||
connectByRoot = true;
|
||||
expr = new SQLIdentifierExpr(lexer.stringVal());
|
||||
lexer.nextToken();
|
||||
} else if (FnvConstants.DATE == hash_lower
|
||||
} else if (FnvHash.Constants.DATE == hash_lower
|
||||
&& lexer.token == Token.LITERAL_CHARS
|
||||
&& (JdbcConstants.ORACLE.equals(getDbType())
|
||||
|| JdbcConstants.POSTGRESQL.equals(getDbType()))) {
|
||||
@@ -2594,7 +2594,7 @@ public class SQLExprParser extends SQLParser {
|
||||
return new SQLSelectItem(expr, as, connectByRoot);
|
||||
}
|
||||
|
||||
if (token == Token.IDENTIFIER && hash_lower != FnvConstants.CURRENT) {
|
||||
if (token == Token.IDENTIFIER && hash_lower != FnvHash.Constants.CURRENT) {
|
||||
String as = lexer.stringVal();
|
||||
lexer.nextTokenComma();
|
||||
return new SQLSelectItem(expr, as, connectByRoot);
|
||||
@@ -2638,7 +2638,7 @@ public class SQLExprParser extends SQLParser {
|
||||
|
||||
SQLGroupingSetExpr expr = new SQLGroupingSetExpr();
|
||||
|
||||
if (lexer.token == Token.SET || lexer.identifierEquals(FnvConstants.SET)) {
|
||||
if (lexer.token == Token.SET || lexer.identifierEquals(FnvHash.Constants.SET)) {
|
||||
lexer.nextToken();
|
||||
} else {
|
||||
return new SQLIdentifierExpr(tmp);
|
||||
@@ -2668,13 +2668,13 @@ public class SQLExprParser extends SQLParser {
|
||||
accept(Token.LPAREN);
|
||||
this.exprList(values.getItems(), values);
|
||||
accept(Token.RPAREN);
|
||||
} else if (lexer.identifierEquals(FnvConstants.LESS)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.LESS)) {
|
||||
lexer.nextToken();
|
||||
acceptIdentifier("THAN");
|
||||
|
||||
values = new SQLPartitionValue(SQLPartitionValue.Operator.LessThan);
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.MAXVALUE)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.MAXVALUE)) {
|
||||
SQLIdentifierExpr maxValue = new SQLIdentifierExpr(lexer.stringVal());
|
||||
lexer.nextToken();
|
||||
maxValue.setParent(values);
|
||||
@@ -2713,7 +2713,7 @@ public class SQLExprParser extends SQLParser {
|
||||
limit.setOffset(temp);
|
||||
lexer.nextToken();
|
||||
limit.setRowCount(this.expr());
|
||||
} else if (lexer.identifierEquals(FnvConstants.OFFSET)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.OFFSET)) {
|
||||
limit.setRowCount(temp);
|
||||
lexer.nextToken();
|
||||
limit.setOffset(this.expr());
|
||||
|
||||
@@ -20,7 +20,7 @@ import java.util.List;
|
||||
import com.alibaba.druid.sql.ast.*;
|
||||
import com.alibaba.druid.sql.ast.statement.*;
|
||||
import com.alibaba.druid.sql.dialect.mysql.ast.expr.MySqlOrderingExpr;
|
||||
import com.alibaba.druid.util.FnvConstants;
|
||||
import com.alibaba.druid.util.FnvHash;
|
||||
import com.alibaba.druid.util.JdbcConstants;
|
||||
|
||||
public class SQLSelectParser extends SQLParser {
|
||||
@@ -42,7 +42,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
public SQLSelect select() {
|
||||
SQLSelect select = new SQLSelect();
|
||||
|
||||
if (lexer.token() == Token.WITH) {
|
||||
if (lexer.token == Token.WITH) {
|
||||
SQLWithSubqueryClause with = this.parseWith();
|
||||
select.setWithSubQuery(with);
|
||||
}
|
||||
@@ -176,13 +176,13 @@ public class SQLSelectParser extends SQLParser {
|
||||
}
|
||||
|
||||
if (JdbcConstants.INFORMIX.equals(dbType)) {
|
||||
if (lexer.identifierEquals(FnvConstants.SKIP)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.SKIP)) {
|
||||
lexer.nextToken();
|
||||
SQLExpr offset = this.exprParser.primary();
|
||||
queryBlock.setOffset(offset);
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.FIRST)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.FIRST)) {
|
||||
lexer.nextToken();
|
||||
SQLExpr first = this.exprParser.primary();
|
||||
queryBlock.setFirst(first);
|
||||
@@ -219,7 +219,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
|
||||
SQLWithSubqueryClause withQueryClause = new SQLWithSubqueryClause();
|
||||
|
||||
if (lexer.token == Token.RECURSIVE || lexer.identifierEquals(FnvConstants.RECURSIVE)) {
|
||||
if (lexer.token == Token.RECURSIVE || lexer.identifierEquals(FnvHash.Constants.RECURSIVE)) {
|
||||
lexer.nextToken();
|
||||
withQueryClause.setRecursive(true);
|
||||
}
|
||||
@@ -262,7 +262,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
|
||||
SQLWithSubqueryClause withQueryClause = new SQLWithSubqueryClause();
|
||||
|
||||
if (lexer.token == Token.RECURSIVE || lexer.identifierEquals(FnvConstants.RECURSIVE)) {
|
||||
if (lexer.token == Token.RECURSIVE || lexer.identifierEquals(FnvHash.Constants.RECURSIVE)) {
|
||||
lexer.nextToken();
|
||||
withQueryClause.setRecursive(true);
|
||||
}
|
||||
@@ -337,12 +337,12 @@ public class SQLSelectParser extends SQLParser {
|
||||
accept(Token.BY);
|
||||
|
||||
SQLSelectGroupByClause groupBy = new SQLSelectGroupByClause();
|
||||
if (lexer.identifierEquals(FnvConstants.ROLLUP)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.ROLLUP)) {
|
||||
lexer.nextToken();
|
||||
accept(Token.LPAREN);
|
||||
groupBy.setWithRollUp(true);
|
||||
}
|
||||
if (lexer.identifierEquals(FnvConstants.CUBE)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.CUBE)) {
|
||||
lexer.nextToken();
|
||||
accept(Token.LPAREN);
|
||||
groupBy.setWithCube(true);
|
||||
@@ -374,7 +374,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
if (lexer.token == Token.WITH) {
|
||||
lexer.nextToken();
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.CUBE)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.CUBE)) {
|
||||
lexer.nextToken();
|
||||
groupBy.setWithCube(true);
|
||||
} else {
|
||||
@@ -524,8 +524,8 @@ public class SQLSelectParser extends SQLParser {
|
||||
protected SQLTableSource parseTableSourceRest(SQLTableSource tableSource) {
|
||||
if ((tableSource.getAlias() == null) || (tableSource.getAlias().length() == 0)) {
|
||||
if (lexer.token != Token.LEFT && lexer.token != Token.RIGHT && lexer.token != Token.FULL
|
||||
&& (!lexer.identifierEquals(FnvConstants.STRAIGHT_JOIN))
|
||||
&& (!lexer.identifierEquals(FnvConstants.CROSS))
|
||||
&& (!lexer.identifierEquals(FnvHash.Constants.STRAIGHT_JOIN))
|
||||
&& (!lexer.identifierEquals(FnvHash.Constants.CROSS))
|
||||
&& lexer.token != Token.OUTER) {
|
||||
String alias = tableAlias();
|
||||
if (alias != null) {
|
||||
@@ -537,7 +537,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
|
||||
SQLJoinTableSource.JoinType joinType = null;
|
||||
|
||||
boolean natural = lexer.identifierEquals(FnvConstants.NATURAL) && JdbcConstants.MYSQL.equals(dbType);
|
||||
boolean natural = lexer.identifierEquals(FnvHash.Constants.NATURAL) && JdbcConstants.MYSQL.equals(dbType);
|
||||
if (natural) {
|
||||
lexer.nextToken();
|
||||
}
|
||||
@@ -545,10 +545,10 @@ public class SQLSelectParser extends SQLParser {
|
||||
if (lexer.token == Token.LEFT) {
|
||||
lexer.nextToken();
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.SEMI)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.SEMI)) {
|
||||
lexer.nextToken();
|
||||
joinType = SQLJoinTableSource.JoinType.LEFT_SEMI_JOIN;
|
||||
} else if (lexer.identifierEquals(FnvConstants.ANTI)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.ANTI)) {
|
||||
lexer.nextToken();
|
||||
joinType = SQLJoinTableSource.JoinType.LEFT_ANTI_JOIN;
|
||||
} else if (lexer.token == Token.OUTER) {
|
||||
@@ -584,21 +584,21 @@ public class SQLSelectParser extends SQLParser {
|
||||
} else if (lexer.token == Token.COMMA) {
|
||||
lexer.nextToken();
|
||||
joinType = SQLJoinTableSource.JoinType.COMMA;
|
||||
} else if (lexer.identifierEquals(FnvConstants.STRAIGHT_JOIN)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.STRAIGHT_JOIN)) {
|
||||
lexer.nextToken();
|
||||
joinType = SQLJoinTableSource.JoinType.STRAIGHT_JOIN;
|
||||
} else if (lexer.identifierEquals(FnvConstants.CROSS)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.CROSS)) {
|
||||
lexer.nextToken();
|
||||
if (lexer.token == Token.JOIN) {
|
||||
lexer.nextToken();
|
||||
joinType = SQLJoinTableSource.JoinType.CROSS_JOIN;
|
||||
} else if (lexer.identifierEquals(FnvConstants.APPLY)) {
|
||||
} else if (lexer.identifierEquals(FnvHash.Constants.APPLY)) {
|
||||
lexer.nextToken();
|
||||
joinType = SQLJoinTableSource.JoinType.CROSS_APPLY;
|
||||
}
|
||||
} else if (lexer.token == Token.OUTER) {
|
||||
lexer.nextToken();
|
||||
if (lexer.identifierEquals(FnvConstants.APPLY)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.APPLY)) {
|
||||
lexer.nextToken();
|
||||
joinType = SQLJoinTableSource.JoinType.OUTER_APPLY;
|
||||
}
|
||||
@@ -622,7 +622,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
}
|
||||
|
||||
if (lexer.token == Token.USING
|
||||
||lexer.identifierEquals(FnvConstants.USING))
|
||||
||lexer.identifierEquals(FnvHash.Constants.USING))
|
||||
{
|
||||
Lexer.SavePoint savePoint = lexer.mark();
|
||||
lexer.nextToken();
|
||||
@@ -664,7 +664,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
join.setRight(rightTableSource);
|
||||
|
||||
if (!natural) {
|
||||
if (tableSource.aliasHashCode64() == FnvConstants.NATURAL && JdbcConstants.MYSQL.equals(dbType)) {
|
||||
if (tableSource.aliasHashCode64() == FnvHash.Constants.NATURAL && JdbcConstants.MYSQL.equals(dbType)) {
|
||||
tableSource.setAlias(null);
|
||||
natural = true;
|
||||
}
|
||||
@@ -675,7 +675,7 @@ public class SQLSelectParser extends SQLParser {
|
||||
lexer.nextToken();
|
||||
join.setCondition(expr());
|
||||
} else if (lexer.token == Token.USING
|
||||
|| lexer.identifierEquals(FnvConstants.USING)) {
|
||||
|| lexer.identifierEquals(FnvHash.Constants.USING)) {
|
||||
Lexer.SavePoint savePoint = lexer.mark();
|
||||
lexer.nextToken();
|
||||
if (lexer.token == Token.LPAREN) {
|
||||
@@ -717,11 +717,11 @@ public class SQLSelectParser extends SQLParser {
|
||||
return;
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.OFFSET) || lexer.token == Token.OFFSET) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.OFFSET) || lexer.token == Token.OFFSET) {
|
||||
lexer.nextToken();
|
||||
SQLExpr offset = this.exprParser.primary();
|
||||
queryBlock.setOffset(offset);
|
||||
if (lexer.identifierEquals(FnvConstants.ROW) || lexer.identifierEquals(FnvConstants.ROWS)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.ROW) || lexer.identifierEquals(FnvHash.Constants.ROWS)) {
|
||||
lexer.nextToken();
|
||||
}
|
||||
}
|
||||
@@ -729,14 +729,14 @@ public class SQLSelectParser extends SQLParser {
|
||||
if (lexer.token == Token.FETCH) {
|
||||
lexer.nextToken();
|
||||
if (lexer.token == Token.FIRST
|
||||
|| lexer.identifierEquals(FnvConstants.NEXT)) {
|
||||
|| lexer.identifierEquals(FnvHash.Constants.NEXT)) {
|
||||
lexer.nextToken();
|
||||
} else {
|
||||
acceptIdentifier("FIRST");
|
||||
}
|
||||
SQLExpr first = this.exprParser.primary();
|
||||
queryBlock.setFirst(first);
|
||||
if (lexer.identifierEquals(FnvConstants.ROW) || lexer.identifierEquals(FnvConstants.ROWS)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.ROW) || lexer.identifierEquals(FnvHash.Constants.ROWS)) {
|
||||
lexer.nextToken();
|
||||
}
|
||||
|
||||
@@ -749,16 +749,16 @@ public class SQLSelectParser extends SQLParser {
|
||||
}
|
||||
|
||||
protected void parseHierachical(SQLSelectQueryBlock queryBlock) {
|
||||
if (lexer.token == Token.CONNECT || lexer.identifierEquals(FnvConstants.CONNECT)) {
|
||||
if (lexer.token == Token.CONNECT || lexer.identifierEquals(FnvHash.Constants.CONNECT)) {
|
||||
lexer.nextToken();
|
||||
accept(Token.BY);
|
||||
|
||||
if (lexer.token == Token.PRIOR || lexer.identifierEquals(FnvConstants.PRIOR)) {
|
||||
if (lexer.token == Token.PRIOR || lexer.identifierEquals(FnvHash.Constants.PRIOR)) {
|
||||
lexer.nextToken();
|
||||
queryBlock.setPrior(true);
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.NOCYCLE)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.NOCYCLE)) {
|
||||
queryBlock.setNoCycle(true);
|
||||
lexer.nextToken();
|
||||
|
||||
@@ -770,27 +770,27 @@ public class SQLSelectParser extends SQLParser {
|
||||
queryBlock.setConnectBy(this.exprParser.expr());
|
||||
}
|
||||
|
||||
if (lexer.token == Token.START || lexer.identifierEquals(FnvConstants.START)) {
|
||||
if (lexer.token == Token.START || lexer.identifierEquals(FnvHash.Constants.START)) {
|
||||
lexer.nextToken();
|
||||
accept(Token.WITH);
|
||||
|
||||
queryBlock.setStartWith(this.exprParser.expr());
|
||||
}
|
||||
|
||||
if (lexer.token == Token.CONNECT || lexer.identifierEquals(FnvConstants.CONNECT)) {
|
||||
if (lexer.token == Token.CONNECT || lexer.identifierEquals(FnvHash.Constants.CONNECT)) {
|
||||
lexer.nextToken();
|
||||
accept(Token.BY);
|
||||
|
||||
if (lexer.token == Token.PRIOR || lexer.identifierEquals(FnvConstants.PRIOR)) {
|
||||
if (lexer.token == Token.PRIOR || lexer.identifierEquals(FnvHash.Constants.PRIOR)) {
|
||||
lexer.nextToken();
|
||||
queryBlock.setPrior(true);
|
||||
}
|
||||
|
||||
if (lexer.identifierEquals(FnvConstants.NOCYCLE)) {
|
||||
if (lexer.identifierEquals(FnvHash.Constants.NOCYCLE)) {
|
||||
queryBlock.setNoCycle(true);
|
||||
lexer.nextToken();
|
||||
|
||||
if (lexer.token == Token.PRIOR || lexer.identifierEquals(FnvConstants.PRIOR)) {
|
||||
if (lexer.token == Token.PRIOR || lexer.identifierEquals(FnvHash.Constants.PRIOR)) {
|
||||
lexer.nextToken();
|
||||
queryBlock.setPrior(true);
|
||||
}
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user