Add explain, truncate and alter/drop/create schema
#187
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dmfay
requested changes
Jul 30, 2023
grammar.js
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| $.identifier, | ||
| ), | ||
| ), | ||
| repeat($._create_statement), |
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structuring this form into program (now a choice) and deleting the repeat line seems to work well. It does require precedence over _create_statement -> create_schema but I think that's reasonable
prec(2, seq(
$.create_schema,
repeat($._create_statement),
)),There was a problem hiding this comment.
Not sure that I understand this correctly. Isn't the program node a bit too close to the root of the tree?
I have put it in the create_statement with a left prec.
dmfay
approved these changes
Jul 30, 2023
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This PR adds multiple missing statements
I have left out the optional options for explain. They add multiple pg specific keywords. Not sure how we want to handle this. Also, statements that can be analyzed are a mixture of some of the
_dml_read,_dml_writeand_ddl_statement. It is more permissive now, but it also required this precedence. Unfortunately, this significantly increases compilation time and parser size again.CREATE SCHEMAallows to be followed by other CREATE statements. Again, it is now permissive and requires a precedence.