Обсуждение: Patch to pg_dump for NUMERIC.

Here's a small patch to cause pg_dump to emit the
scale and precision for NUMERIC type column defs.

Keith.
*** src/bin/pg_dump/pg_dump.c.orig    Mon May 10 22:19:09 1999
--- src/bin/pg_dump/pg_dump.c    Wed May 12 11:26:35 1999
***************
*** 2671,2676 ****
--- 2671,2680 ----     char            **parentRels;            /* list of names of parent relations */     int
  numParents;     int            actual_atts;            /* number of attrs in this CREATE statment */
 
+     int32            tmp_typmod;
+     int            precision;
+     int            scale;
+       /* First - dump SEQUENCEs */     if (tablename)
***************
*** 2747,2752 ****
--- 2751,2768 ----                         {                             sprintf(q + strlen(q), "(%d)",
                   tblinfo[i].atttypmod[j] - VARHDRSZ);
 
+                         }
+                     }
+                     else if (!strcmp(tblinfo[i].typnames[j], "numeric"))
+                     {
+                         sprintf(q + strlen(q), "numeric");
+                         if (tblinfo[i].atttypmod[j] != -1)
+                         {
+                             tmp_typmod = tblinfo[i].atttypmod[j] - VARHDRSZ;
+                             precision = (tmp_typmod >> 16) & 0xffff;
+                             scale     = tmp_typmod & 0xffff;
+                             sprintf(q + strlen(q), "(%d,%d)",
+                                         precision, scale);                         }                     }
        /* char is an internal single-byte data type; 

Applied.


> Here's a small patch to cause pg_dump to emit the
> scale and precision for NUMERIC type column defs.
> 
> Keith.
Content-Description: pg_dump.c.patch

> *** src/bin/pg_dump/pg_dump.c.orig    Mon May 10 22:19:09 1999
> --- src/bin/pg_dump/pg_dump.c    Wed May 12 11:26:35 1999
> ***************
> *** 2671,2676 ****
> --- 2671,2680 ----
>       char            **parentRels;            /* list of names of parent relations */
>       int            numParents;
>       int            actual_atts;            /* number of attrs in this CREATE statment */
> +     int32            tmp_typmod;
> +     int            precision;
> +     int            scale;
> + 
>   
>       /* First - dump SEQUENCEs */
>       if (tablename)
> ***************
> *** 2747,2752 ****
> --- 2751,2768 ----
>                           {
>                               sprintf(q + strlen(q), "(%d)",
>                                       tblinfo[i].atttypmod[j] - VARHDRSZ);
> +                         }
> +                     }
> +                     else if (!strcmp(tblinfo[i].typnames[j], "numeric"))
> +                     {
> +                         sprintf(q + strlen(q), "numeric");
> +                         if (tblinfo[i].atttypmod[j] != -1)
> +                         {
> +                             tmp_typmod = tblinfo[i].atttypmod[j] - VARHDRSZ;
> +                             precision = (tmp_typmod >> 16) & 0xffff;
> +                             scale     = tmp_typmod & 0xffff;
> +                             sprintf(q + strlen(q), "(%d,%d)",
> +                                         precision, scale);
>                           }
>                       }
>                       /* char is an internal single-byte data type;


--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026