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Signed-off-by: Harshit Gangal <harshit@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>
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
Signed-off-by: Harshit Gangal <harshit@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>
Signed-off-by: Andres Taylor <andres@planetscale.com>
Signed-off-by: Andres Taylor <andres@planetscale.com>
GuptaManan100
approved these changes
Mar 14, 2021
vmg
approved these changes
Mar 15, 2021
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Generates deep equals comparisons for the AST.
Since we have a lot of pointers in our AST, the normal equality semantics of golang does not help us compare AST objects with each other. To enable the planner to plan more queries, we need to be able to simplify boolean operators (
A OR Ais equivalent toA). That all leads to this PR. We already have good tooling for generating AST helper code (both the rewriter and the deep clone for the AST are generated), so in this PR we implement deep equals for AST types.Checklist
Impacted Areas in Vitess
Components that this PR will affect: