56 lines
1.8 KiB
MySQL
56 lines
1.8 KiB
MySQL
CREATE OR REPLACE VIEW obj_partitions AS
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WITH x AS (
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SELECT /*+ MATERIALIZE */
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app.get_item('$TABLE_NAME') AS table_name
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FROM DUAL
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),
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p AS (
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SELECT
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p.*,
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--
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'SELECT p.high_value' || CHR(10) ||
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'FROM user_tab_partitions p' || CHR(10) ||
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'WHERE p.table_name = ''' || p.table_name || '''' || CHR(10) ||
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' AND p.partition_name = ''' || p.partition_name || '''' AS query_
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FROM user_tab_partitions p
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JOIN x
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ON x.table_name = p.table_name
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),
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r AS (
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SELECT
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p.partition_name,
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LTRIM(RTRIM(h.high_value, ' )'), '( ') AS high_value
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FROM p,
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-- trick to convert LONG to VARCHAR2 on the fly
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XMLTABLE('/ROWSET/ROW'
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PASSING (DBMS_XMLGEN.GETXMLTYPE(p.query_))
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COLUMNS high_value VARCHAR2(4000) PATH 'HIGH_VALUE'
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) h
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)
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SELECT
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p.partition_position,
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p.partition_name,
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p.partition_name AS partition_name_old,
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p.high_value,
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--
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LTRIM(REGEXP_SUBSTR(r.high_value, '[^,' || ']+', 1, 1)) AS header_1,
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LTRIM(REGEXP_SUBSTR(r.high_value, '[^,' || ']+', 1, 2)) AS header_2,
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LTRIM(REGEXP_SUBSTR(r.high_value, '[^,' || ']+', 1, 3)) AS header_3,
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LTRIM(REGEXP_SUBSTR(r.high_value, '[^,' || ']+', 1, 4)) AS header_4,
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--
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TO_NUMBER(EXTRACTVALUE(XMLTYPE(DBMS_XMLGEN.GETXML(
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'SELECT /*+ PARALLEL(p,4) */ COUNT(*) AS r ' ||
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'FROM ' || p.table_name || ' PARTITION (' || p.partition_name || ') p'
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)), '/ROWSET/ROW/R')) AS count_rows,
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--
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p.subpartition_count AS subpartitions,
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--
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p.read_only,
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p.read_only AS read_only_old,
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--
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app.get_icon('fa-trash-o', 'Truncate partition (delete also data)') AS action_truncate
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FROM p
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JOIN r
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ON r.partition_name = p.partition_name;
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