Hi, I believe that has room for improving generation node files.
The patch attached reduced the size of generated files by 27 kbytes. >From 891 kbytes to 864 kbytes. About the patch: 1. Avoid useless attribution when from->field is NULL, once that the new node is palloc0. 2. Avoid useless declaration variable Size, when it is unnecessary. 3. Optimize comparison functions like memcmp and strcmp, using a short-cut comparison of the first element. 4. Switch several copy attributions like COPY_SCALAR_FIELD or COPY_LOCATION_FIELD by one memcpy call. 5. Avoid useless attribution, ignoring the result of pg_strtok when it is unnecessary. regards, Ranier Vilela
optimize_gen_nodes_support.patch
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