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Code Issues Releases Wiki Activity

improve sql parser

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This commit is contained in:
wenshao
2012-11-10 16:34:24 +08:00
parent 8142739841
commit ccb314e3b8
7 changed files with 220 additions and 164 deletions
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src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGLexer.java
+8 -5
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@@ -74,17 +74,20 @@ public class PGLexer extends Lexer {
boolean hasSpecial = false;
for (;;) {
if (bp >= buflen) {
if (isEOF()) {
lexError(tokenPos, "unclosed.str.lit");
return;
}
ch = buf[++bp];
ch = charAt(++bp);
if (ch == '\\') {
scanChar();
if (!hasSpecial) {
System.arraycopy(buf, np + 1, sbuf, 0, sp);
if (sbuf == null) {
sbuf = new char[32];
}
arraycopy(np + 1, sbuf, 0, sp);
hasSpecial = true;
}
@@ -129,7 +132,7 @@ public class PGLexer extends Lexer {
token = LITERAL_CHARS;
break;
} else {
System.arraycopy(buf, np + 1, sbuf, 0, sp);
arraycopy(np + 1, sbuf, 0, sp);
hasSpecial = true;
putChar('\'');
continue;
@@ -149,7 +152,7 @@ public class PGLexer extends Lexer {
}
if (!hasSpecial) {
stringVal = new String(buf, np + 1, sp);
stringVal = subString(np + 1, sp);
} else {
stringVal = new String(sbuf, 0, sp);
}