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Fixed catalog import error to Hive 2.2 and 2.3 for Hive Metastore Migration tool #172

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Merged
merged 1 commit into from
May 20, 2025
Merged

Fixed catalog import error to Hive 2.2 and 2.3 for Hive Metastore Migration tool #172

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15 changes: 14 additions & 1 deletion utilities/Hive_metastore_migration/src/hive_metastore_migration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1503,7 +1503,7 @@ def export_to_metastore(self):
self.write_table(table_name="SKEWED_STRING_LIST_VALUES", df=self.ms_skewed_string_list_values)
self.write_table(table_name="SKEWED_COL_VALUE_LOC_MAP", df=self.ms_skewed_col_value_loc_map)
self.write_table(table_name="SORT_COLS", df=self.ms_sort_cols)
self.write_table(table_name="TBLS", df=self.ms_tbls)
self._write_tbls_table(table_name="TBLS", df=self.ms_tbls)
self.write_table(table_name="TABLE_PARAMS", df=self.ms_table_params)
self.write_table(table_name="PARTITION_KEYS", df=self.ms_partition_keys)
self.write_table(table_name="PARTITIONS", df=self.ms_partitions)
Expand Down Expand Up @@ -1533,6 +1533,19 @@ def _write_dbs_table(self, table_name, df) -> None:
df = df.withColumn("CTLG_NAME", lit("hive"))
self.write_table(table_name=table_name, df=df)

def _write_tbls_table(self, table_name, df) -> None:
"""
Handling IS_REWRITE_ENABLED column in TBLS table which does not accept null.
Context:
- HIVE-14496 added `IS_REWRITE_ENABLED` column to Hive 2.2.0, and it doesn't accept null until HIVE-18046 (Hive 3.0.0)
"""

source_df = self.read_table(table_name=table_name)
for col in [i.jsonValue() for i in source_df.schema]:
if col["name"] == "IS_REWRITE_ENABLED":
df = df.withColumn("IS_REWRITE_ENABLED", lit(0))
self.write_table(table_name=table_name, df=df)


def get_output_dir(output_dir_parent):
if not output_dir_parent:
Expand Down