44 lines
1.4 KiB
MySQL
44 lines
1.4 KiB
MySQL
CREATE OR REPLACE FORCE VIEW obj_tables_ref_up AS
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WITH x AS (
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SELECT /*+ MATERIALIZE */
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app.get_owner() AS owner,
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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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t AS (
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SELECT
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r.table_name,
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p.table_name AS referenced_table,
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p.constraint_name AS primary_key_name,
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r.constraint_name AS foreign_key_name
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FROM all_constraints r
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JOIN all_constraints p
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ON r.owner = p.owner
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AND r.r_constraint_name = p.constraint_name
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AND r.constraint_type = 'R'
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JOIN x
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ON x.owner = p.owner
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WHERE p.constraint_type = 'P'
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)
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SELECT
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t.table_name AS table_name_,
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t.table_name,
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NULL AS foreign_key_name,
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NULL AS primary_key_name
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FROM all_tables t
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JOIN x
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ON x.owner = t.owner
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AND x.table_name = t.table_name
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UNION ALL
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--
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SELECT
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t.referenced_table AS table_name_,
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--
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'<span style="margin-left: ' || (LEVEL * 2) || 'rem;">' || t.referenced_table || '</span>' AS table_name,
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'<span style="margin-left: ' || (LEVEL * 2) || 'rem;">' || t.foreign_key_name || '</span>' AS foreign_key_name,
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t.primary_key_name
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FROM t
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CONNECT BY NOCYCLE PRIOR t.referenced_table = t.table_name
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START WITH t.table_name = (SELECT x.table_name FROM x);
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