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Merge pull request #2077 from lvfuyou/master

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Update ObReaderUtils.java
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Trafalgar 2024-06-26 10:09:59 +08:00 committed by GitHub
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1 changed files with 3 additions and 1 deletions
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oceanbasev10reader/src/main/java/com/alibaba/datax/plugin/reader/oceanbasev10reader/util/ObReaderUtils.java
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@ -154,12 +154,14 @@ public class ObReaderUtils {
} else { } else {
schema = "(select sys_context('USERENV','current_schema') from dual)"; schema = "(select sys_context('USERENV','current_schema') from dual)";
} }
//OceanBase oracle模式下需要使用position排序获取正确的联合主键顺序
sql = String.format( sql = String.format(
"SELECT cols.column_name Column_name " + "SELECT cols.column_name Column_name " +
"FROM all_constraints cons, all_cons_columns cols " + "FROM all_constraints cons, all_cons_columns cols " +
"WHERE cols.table_name = '%s' AND cons.constraint_type = 'P' " + "WHERE cols.table_name = '%s' AND cons.constraint_type = 'P' " +
"AND cons.constraint_name = cols.constraint_name " + "AND cons.constraint_name = cols.constraint_name " +
"AND cons.owner = cols.owner and cons.OWNER = %s", "AND cons.owner = cols.owner and cons.OWNER = %s " +
"order by cols.position " ,
tableName, schema); tableName, schema);
} }
LOG.info("get primary key by sql: " + sql); LOG.info("get primary key by sql: " + sql);