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fixed issue #330 & #350 , json length & escapse

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agapple
2017-08-03 21:15:09 +08:00
parent ca350a79bd
commit 67436b2bc4
3 changed files with 40 additions and 5 deletions
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19
dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
View File

@@ -363,12 +363,12 @@ public class JsonConversion {
buf.append('"').append(text).append('"');
} else {
text = m_data.getFixString((int) m_length, charsetName);
buf.append('"').append(text).append('"');
buf.append('"').append(escapse(text)).append('"');
}
break;
case STRING:
buf.append('"').append(m_string_value).append('"');
buf.append('"').append(escapse(m_string_value)).append('"');
break;
case ERROR:
throw new IllegalArgumentException("illegal json data");
@@ -378,6 +378,21 @@ public class JsonConversion {
}
}
private static StringBuilder escapse(String data) {
StringBuilder sb = new StringBuilder(data.length());
int endIndex = data.length();
for (int i = 0; i < endIndex; ++i) {
char c = data.charAt(i);
if (c == '"') {
sb.append('\\');
} else if (c == '\\') {
sb.append("\\");
}
sb.append(c);
}
return sb;
}
public static enum Json_enum_type {
OBJECT, ARRAY, STRING, INT, UINT, DOUBLE, LITERAL_NULL, LITERAL_TRUE, LITERAL_FALSE, OPAQUE, ERROR
}

24
dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/event/RowsLogBuffer.java
View File

@@ -949,8 +949,28 @@ public final class RowsLogBuffer {
break;
}
case LogEvent.MYSQL_TYPE_JSON: {
len = buffer.getUint16();
buffer.forward(meta - 2);
switch (meta) {
case 1: {
len = buffer.getUint8();
break;
}
case 2: {
len = buffer.getUint16();
break;
}
case 3: {
len = buffer.getUint24();
break;
}
case 4: {
len = (int) buffer.getUint32();
break;
}
default:
throw new IllegalArgumentException("!! Unknown JSON packlen = " + meta);
}
// len = buffer.getUint16();
// buffer.forward(meta - 4);
int position = buffer.position();
Json_Value jsonValue = JsonConversion.parse_value(buffer.getUint8(), buffer, len - 1, charsetName);
StringBuilder builder = new StringBuilder();