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补充测试

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git-svn-id: http://code.alibabatech.com/svn/druid/trunk@444 b9813039-fb51-4c41-a8b9-e21c2acb5095
This commit is contained in:
wenshao
2011-07-15 05:36:19 +00:00
parent e906c9b4e2
commit 34685651aa
5 changed files with 135 additions and 92 deletions
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src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleExprParser.java
+43 -43
View File
@@ -21,7 +21,9 @@ import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLOrderingSpecification;
import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
import com.alibaba.druid.sql.ast.expr.SQLMethodInvokeExpr;
import com.alibaba.druid.sql.ast.expr.SQLNumberExpr;
import com.alibaba.druid.sql.ast.expr.SQLPropertyExpr;
import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
import com.alibaba.druid.sql.dialect.oracle.ast.OracleOrderBy;
import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleAggregateExpr;
@@ -45,26 +47,13 @@ import com.alibaba.druid.sql.parser.Token;
public class OracleExprParser extends SQLExprParser {
public boolean allowStringAdditive = false;
/**
* @formatter:off
*/
private static final String[] _aggregateFunctions = {
"AVG", "CORR", "COVAR_POP", "COVAR_SAMP", "COUNT"
, "CUME_DIST", "DENSE_RANK", "FIRST", "FIRST_VALUE"
, "LAG", "LAST", "LAST_VALUE", "LEAD", "MAX"
, "MIN", "NTILE", "PERCENT_RANK", "PERCENTILE_CONT", "PERCENTILE_DISC"
, "RANK", "RATIO_TO_REPORT", "REGR_SLOPE", "REGR_INTERCEPT", "REGR_COUNT"
, "REGR_R2", "REGR_AVGX", "REGR_AVGY", "REGR_SXX", "REGR_SYY"
, "REGR_SXY", "ROW_NUMBER", "STDDEV", "STDDEV_POP", "STDDEV_SAMP"
, "SUM", "VAR_POP", "VAR_SAMP", "VARIANCE"
};
private static final String[] _aggregateFunctions = { "AVG", "CORR", "COVAR_POP", "COVAR_SAMP", "COUNT", "CUME_DIST", "DENSE_RANK", "FIRST", "FIRST_VALUE", "LAG", "LAST", "LAST_VALUE", "LEAD", "MAX", "MIN", "NTILE", "PERCENT_RANK", "PERCENTILE_CONT", "PERCENTILE_DISC", "RANK", "RATIO_TO_REPORT", "REGR_SLOPE", "REGR_INTERCEPT", "REGR_COUNT", "REGR_R2", "REGR_AVGX",
"REGR_AVGY", "REGR_SXX", "REGR_SYY", "REGR_SXY", "ROW_NUMBER", "STDDEV", "STDDEV_POP", "STDDEV_SAMP", "SUM", "VAR_POP", "VAR_SAMP", "VARIANCE" };
public OracleExprParser(Lexer lexer){
super(lexer);
@@ -115,18 +104,18 @@ public class OracleExprParser extends SQLExprParser {
case EXTRACT:
lexer.nextToken();
OracleExtractExpr extract = new OracleExtractExpr();
accept(Token.LPAREN);
extract.setUnit(OracleDateTimeUnit.valueOf(lexer.stringVal()));
lexer.nextToken();
accept(Token.FROM);
extract.setFrom(expr());
accept(Token.RPAREN);
return primaryRest(extract);
case TIMESTAMP:
return primaryRest(parseTimestamp());
@@ -140,7 +129,7 @@ public class OracleExprParser extends SQLExprParser {
case BINARY_DOUBLE:
OracleBinaryDoubleExpr doubleExpr = new OracleBinaryDoubleExpr();
doubleExpr.setValue(Double.parseDouble(lexer.numberString()));
lexer.nextToken();
return primaryRest(doubleExpr);
case TABLE:
@@ -214,57 +203,68 @@ public class OracleExprParser extends SQLExprParser {
return super.primary();
}
}
public SQLExpr primaryRest(SQLExpr expr) throws ParserException {
if (lexer.token() == Token.MONKEYS_AT) {
lexer.nextToken();
OracleDbLinkExpr dblink = new OracleDbLinkExpr();
dblink.setExpr(expr);
String link = lexer.stringVal();
accept(Token.IDENTIFIER);
dblink.setDbLink(link);
expr = dblink;
}
return super.primaryRest(expr);
}
protected SQLExpr dotRest(SQLExpr expr) {
if (lexer.token() == Token.LITERAL_ALIAS) {
String name = '"' + lexer.stringVal() + '"';
lexer.nextToken();
expr = new SQLPropertyExpr(expr, name);
expr = primaryRest(expr);
return expr;
}
return super.dotRest(expr);
}
public OracleDateExpr parseDate() {
accept(Token.DATE);
OracleDateExpr timestamp = new OracleDateExpr();
String literal = lexer.stringVal();
timestamp.setLiteral(literal);
accept(Token.LITERAL_CHARS);
return timestamp;
}
public OracleTimestampExpr parseTimestamp() {
accept(Token.TIMESTAMP);
OracleTimestampExpr timestamp = new OracleTimestampExpr();
String literal = lexer.stringVal();
timestamp.setLiteral(literal);
accept(Token.LITERAL_CHARS);
if (identifierEquals("AT")) {
lexer.nextToken();
acceptIdentifier("TIME");
acceptIdentifier("ZONE");
String timezone = lexer.stringVal();
timestamp.setTimeZone(timezone);
accept(Token.LITERAL_CHARS);
}
return timestamp;
}
@@ -428,24 +428,24 @@ public class OracleExprParser extends SQLExprParser {
return item;
}
protected SQLExpr parseInterval() {
accept(Token.INTERVAL);
OracleIntervalExpr interval = new OracleIntervalExpr();
if (lexer.token() != Token.LITERAL_CHARS) {
throw new ParserException("syntax error : " + lexer.token());
}
interval.setValue(lexer.stringVal());
lexer.nextToken();
if (lexer.token() != Token.IDENTIFIER) {
throw new ParserException("syntax error : " + lexer.token());
}
OracleIntervalType type = OracleIntervalType.valueOf(lexer.stringVal());
interval.setType(type);
lexer.nextToken();
return interval;
}
}