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3b5e03dca2
This forces an input field containing the quoted null string to be returned as a NULL. Without this option, only unquoted null strings behave this way. This helps where some CSV producers insist on quoting every field, whether or not it is needed. The option takes a list of fields, and only applies to those columns. There is an equivalent column-level option added to file_fdw. Ian Barwick, with some tweaking by Andrew Dunstan, reviewed by Payal Singh.
6 lines
86 B
Plaintext
6 lines
86 B
Plaintext
AAA,aaa,123,""
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XYZ,xyz,"",321
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NULL,NULL,NULL,NULL
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NULL,NULL,"NULL",NULL
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ABC,abc,"",""
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