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Support replacing MODULE_PATHNAME during extension script file execution.

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This avoids the need to find a way to make PGXS' .sql.in-to-.sql rule
insert the right thing.  We'll just deprecate use of that hack for
extensions.
This commit is contained in:
Tom Lane
2011-02-13 13:38:05 -05:00
parent 27d5d7ab10
commit e693e97d75
2 changed files with 44 additions and 11 deletions
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18
src/backend/commands/extension.c
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@ -65,6 +65,7 @@ typedef struct ExtensionControlFile
char *name; /* name of the extension */
char *directory; /* directory for script files */
char *default_version; /* default install target version, if any */
char *module_pathname; /* string to substitute for MODULE_PATHNAME */
char *comment; /* comment, if any */
char *schema; /* target schema (allowed if !relocatable) */
bool relocatable; /* is ALTER EXTENSION SET SCHEMA supported? */
@ -493,6 +494,10 @@ parse_extension_control_file(ExtensionControlFile *control,
control->default_version = pstrdup(item->value);
}
else if (strcmp(item->name, "module_pathname") == 0)
{
control->module_pathname = pstrdup(item->value);
}
else if (strcmp(item->name, "comment") == 0)
{
control->comment = pstrdup(item->value);
@ -836,7 +841,20 @@ execute_extension_script(Oid extensionOid, ExtensionControlFile *control,
CStringGetTextDatum(sql),
CStringGetTextDatum("@extschema@"),
CStringGetTextDatum(qSchemaName))));
}
/*
* If module_pathname was set in the control file, substitute its
* value for occurrences of MODULE_PATHNAME.
*/
if (control->module_pathname)
{
sql = text_to_cstring(
DatumGetTextPP(
DirectFunctionCall3(replace_text,
CStringGetTextDatum(sql),
CStringGetTextDatum("MODULE_PATHNAME"),
CStringGetTextDatum(control->module_pathname))));
}
execute_sql_string(sql, filename);