geometry_geometrytype()

Datum geometry_geometrytype

(

PG_FUNCTION_ARGS

)

Definition at line 176 of file lwgeom_ogc.c.

References gserialized_get_type(), gserialized_max_header_size(), LWGEOM_numpoints_linestring(), lwtype_name(), PG_FUNCTION_INFO_V1(), and type_str_len.

Referenced by LWGEOM_getTYPE().

{
        GSERIALIZED *gser;
        text *type_text;
#       define type_str_len 31
        char type_str[type_str_len + 1];

        /* Read just the header from the toasted tuple */
        gser = PG_GETARG_GSERIALIZED_P_SLICE(0, 0, gserialized_max_header_size());

        /* Make it empty string to start */
        type_str[0] = 0;

        /* Build up the output string */
        strncat(type_str, "ST_", type_str_len);
        strncat(type_str, lwtype_name(gserialized_get_type(gser)), type_str_len - 3);

        /* Build a text type to store things in */
        type_text = cstring2text(type_str);

        PG_FREE_IF_COPY(gser, 0);
        PG_RETURN_TEXT_P(type_text);
}

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