Add COPY for import and export #139
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| %type <group_t> opt_group | ||
| %type <alias_t> opt_table_alias table_alias opt_alias alias | ||
| %type <with_description_t> with_description | ||
| %type <import_type_t> opt_file_type import_file_type |
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Could you harmonize the mix of file_type, import_file_type, and import_type?
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I myself would prefer using FileType instead of ImportType in general for both Import and Export statement (so it would sense for both). I just thought renaming it could be a thing regarding downwards compatibility.
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Ok, in that case, please add a comment.
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Do I get it right and renaming ImportType to FileType and altering its values to kFileCSV, ... with just adding a comment there that this has been done is okay?
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My thought was to leave it as it, but add comments where appropriate that this is done for compat reasons
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Alright, are those two comments enough?
| * COPY students TO 'test/students.tbl' (WITH FORMAT TBL) | ||
| ******************************/ | ||
| export_statement: | ||
| COPY table_name TO file_path opt_file_type { |
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As this uses opt_file_type, too, it is weird that opt_file_type has a import_file_type in an export context
| DIRECT | ||
| SORTED | ||
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| COPY |
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I don't know, I just thought it is somehow common to update it
| namespace hsql { | ||
| // Represents SQL Export statements. | ||
| struct ExportStatement : SQLStatement { | ||
| ExportStatement(ImportType type); |
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refs hyrise/hyrise#1933