typedef void (*pgstat_page) (pgstattuple_type *, Relation, Block‐
Number,

BufferAccessStrategy);

typedef   char   (*get_relation_stats_hook_type)   (int    *root,

unsigned                                                    *rte,

char                                                      attnum,

float *vardata);

void similarity_dist(int m) {          char            chars[BIG‐
GEST(BIGGEST(TZ_MAX_CHARS   +   1,   3   /*   sizeof  gmt  */  ),

*here)];

        float4          res  = DatumGetFloat4(FunctionCall2(simi‐
larity,

(here),

here));

        if   (es‐>verbose)           {                   char
*sql                =                strVal(list_nth(fdw_private,

here));         }

        rb‐>allocfunc(1);         rb2.allocfunc(7); }



































