SET planning #6487
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SET planning #6487
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Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
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When evaluating expressions, MySQL has special rules when the expression is on the RHS of a system setting that is a boolean, such as: set autocommit = on In these cases, expressions that would have been handled as columns are instead treated as string literals. This change tries to mimic this behaviour. Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
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Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
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…error Signed-off-by: Harshit Gangal <harshit@planetscale.com>
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
harshit-gangal
requested changes
Aug 18, 2020
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| in: "@@session.x.foo = 42", | ||
| expected: "session `x.foo` = 42", |
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same test cases added twice.
sougou
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Aug 20, 2020
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Looks good from eyeballing. I'll let @harshit-gangal do the nit-picking.
The PR does need a detailed comment.
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
harshit-gangal
approved these changes
Aug 20, 2020
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This PR enhances the planner so that we can plan
SETting system variables that change Vitess' behaviour. It's the last important part of SET planning that was missing.The settings that are now being handled by planning are: