parse_column_keys()

static void parse_column_keys ( struct mvt_agg_context *  ctx )

static

Definition at line 304 of file mvt.c.

References add_key(), mvt_agg_context::geom_index, mvt_agg_context::geom_name, and get_tuple_desc().

Referenced by mvt_agg_transfn().

{
        TupleDesc tupdesc = get_tuple_desc(ctx);
        int natts = tupdesc->natts;
        uint32_t i;
        bool geom_found = false;
        char *key;
        POSTGIS_DEBUG(2, "parse_column_keys called");

        for (i = 0; i < natts; i++) {
#if POSTGIS_PGSQL_VERSION < 110
                Oid typoid = getBaseType(tupdesc->attrs[i]->atttypid);
                char *tkey = tupdesc->attrs[i]->attname.data;
#else
                Oid typoid = getBaseType(tupdesc->attrs[i].atttypid);
                char *tkey = tupdesc->attrs[i].attname.data;
#endif
#if POSTGIS_PGSQL_VERSION >= 94
                if (typoid == JSONBOID)
                        continue;
#endif
                key = pstrdup(tkey);
                if (ctx->geom_name == NULL) {
                        if (!geom_found && typoid == postgis_oid(GEOMETRYOID)) {
                                ctx->geom_index = i;
                                geom_found = true;
                                continue;
                        }
                } else {
                        if (!geom_found && strcmp(key, ctx->geom_name) == 0) {
                                ctx->geom_index = i;
                                geom_found = true;
                                continue;
                        }
                }
                add_key(ctx, key);
        }
        if (!geom_found)
                elog(ERROR, "parse_column_keys: no geometry column found");
        ReleaseTupleDesc(tupdesc);
}

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