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Code Issues Releases Wiki Activity

improve SQL Parser

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This commit is contained in:
wenshao
2012-11-23 21:42:55 +08:00
parent 4c395ff977
commit 69d4aef7df
3 changed files with 5 additions and 29 deletions
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src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlLexer.java
+1 -5
View File
@@ -177,8 +177,6 @@ public class MySqlLexer extends Lexer {
throw new SQLParseException("illegal identifier");
}
int hash = first;
mark = pos;
bufPos = 1;
char ch;
@@ -189,15 +187,13 @@ public class MySqlLexer extends Lexer {
break;
}
hash = 31 * hash + ch;
bufPos++;
continue;
}
this.ch = charAt(pos);
stringVal = addSymbol(hash);
stringVal = addSymbol();
Token tok = keywods.getKeyword(stringVal);
if (tok != null) {
token = tok;
src/main/java/com/alibaba/druid/sql/dialect/oracle/parser/OracleLexer.java
+1 -9
View File
@@ -106,8 +106,6 @@ public class OracleLexer extends Lexer {
throw new SQLParseException("illegal variable");
}
int hash = ch;
mark = pos;
bufPos = 1;
char ch;
@@ -115,12 +113,10 @@ public class OracleLexer extends Lexer {
boolean quoteFlag = false;
boolean mybatisFlag = false;
if (charAt(pos + 1) == '"') {
hash = 31 * hash + '"';
pos++;
bufPos++;
quoteFlag = true;
} else if (charAt(pos + 1) == '{') {
hash = 31 * hash + '"';
pos++;
bufPos++;
mybatisFlag = true;
@@ -133,8 +129,6 @@ public class OracleLexer extends Lexer {
break;
}
hash = 31 * hash + ch;
bufPos++;
continue;
}
@@ -143,21 +137,19 @@ public class OracleLexer extends Lexer {
if (ch != '"') {
throw new SQLParseException("syntax error");
}
hash = 31 * hash + '"';
++pos;
bufPos++;
} else if (mybatisFlag) {
if (ch != '}') {
throw new SQLParseException("syntax error");
}
hash = 31 * hash + '"';
++pos;
bufPos++;
}
this.ch = charAt(pos);
stringVal = addSymbol(hash);
stringVal = addSymbol();
Token tok = keywods.getKeyword(stringVal);
if (tok != null) {
token = tok;