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copy: update docs for FORCE_NULL and FORCE_NOT_NULL combination
Also update regression tests Patch by Michael Paquier
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@ -115,6 +115,9 @@ SELECT * FROM text_csv;
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ABC | abc | |
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(5 rows)
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-- force_not_null and force_null can be used together on the same column
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ALTER FOREIGN TABLE text_csv ALTER COLUMN word1 OPTIONS (force_null 'true');
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ALTER FOREIGN TABLE text_csv ALTER COLUMN word3 OPTIONS (force_not_null 'true');
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-- force_not_null is not allowed to be specified at any foreign object level:
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ALTER FOREIGN DATA WRAPPER file_fdw OPTIONS (ADD force_not_null '*'); -- ERROR
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ERROR: invalid option "force_not_null"
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@ -128,10 +131,6 @@ HINT: There are no valid options in this context.
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CREATE FOREIGN TABLE tbl () SERVER file_server OPTIONS (force_not_null '*'); -- ERROR
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ERROR: invalid option "force_not_null"
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HINT: Valid options in this context are: filename, format, header, delimiter, quote, escape, null, encoding
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-- force_not_null cannot be specified together with force_null
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ALTER FOREIGN TABLE text_csv ALTER COLUMN word1 OPTIONS (force_null 'true'); --ERROR
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ERROR: conflicting or redundant options
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HINT: option "force_null" cannot be used together with "force_not_null"
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-- force_null is not allowed to be specified at any foreign object level:
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ALTER FOREIGN DATA WRAPPER file_fdw OPTIONS (ADD force_null '*'); -- ERROR
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ERROR: invalid option "force_null"
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@ -145,10 +144,6 @@ HINT: There are no valid options in this context.
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CREATE FOREIGN TABLE tbl () SERVER file_server OPTIONS (force_null '*'); -- ERROR
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ERROR: invalid option "force_null"
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HINT: Valid options in this context are: filename, format, header, delimiter, quote, escape, null, encoding
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-- force_null cannot be specified together with force_not_null
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ALTER FOREIGN TABLE text_csv ALTER COLUMN word3 OPTIONS (force_not_null 'true'); --ERROR
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ERROR: conflicting or redundant options
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HINT: option "force_not_null" cannot be used together with "force_null"
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-- basic query tests
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SELECT * FROM agg_text WHERE b > 10.0 ORDER BY a;
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a | b
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