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fixed JSON datatype string parse

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jianghang.loujh
2025-08-05 14:26:57 +08:00
parent 16831825b8
commit 8523a51623
2 changed files with 6 additions and 5 deletions
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6
dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/JsonConversion.java
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@@ -158,7 +158,7 @@ public class JsonConversion {
throw new IllegalArgumentException("illegal json data");
}
return new Json_Value(Json_enum_type.STRING,
buffer.rewind().forward((int) n).getFixStringIgnore0000((int) str_len, charset));
buffer.rewind().forward((int) n).getFixLengthString((int) str_len, charset));
case JSONB_TYPE_OPAQUE:
/*
* There should always be at least one byte, which tells the field type of the
@@ -257,7 +257,7 @@ public class JsonConversion {
// entry, always two
// bytes.
long key_length = m_data.getUint16();
return m_data.rewind().forward((int) key_offset).getFixStringIgnore0000((int) key_length, charset);
return m_data.rewind().forward((int) key_offset).getFixLengthString((int) key_length, charset);
}
public Json_Value element(int i, Charset charset) {
@@ -400,7 +400,7 @@ public class JsonConversion {
}
buf.append('"').append(text).append('"');
} else {
text = m_data.getFixStringIgnore0000((int) m_length, charset);
text = m_data.getFixLengthString((int) m_length, charset);
buf.append('"').append(escapse(text)).append('"');
}

5
dbsync/src/main/java/com/taobao/tddl/dbsync/binlog/LogBuffer.java
View File

@@ -1157,9 +1157,10 @@ public class LogBuffer {
}
/**
* Return next fix length string from buffer. ignore \0
* Return next fix length string from buffer.
* see json_binary.cc read_variable_length
*/
public final String getFixStringIgnore0000(final int len, Charset charset) {
public final String getFixLengthString(final int len, Charset charset) {
if (position + len > origin + limit) {
throw new IllegalArgumentException("limit excceed: " + (position + len - origin));
}