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Commit497913b

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Version 1.2
- Bug fixes- Add support for array types
1 parentcadb227 commit497913b

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7 files changed

+59
-5
lines changed

7 files changed

+59
-5
lines changed

‎.gitignore

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@@ -41,3 +41,4 @@ lib*.pc
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/tmp_install/
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Dockerfile
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pg_variables--1.1.sql
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pg_variables--1.2.sql

‎Makefile

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@@ -4,8 +4,8 @@ MODULE_big = pg_variables
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OBJS = pg_variables.o pg_variables_record.o$(WIN32RES)
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EXTENSION = pg_variables
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EXTVERSION = 1.1
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DATA = pg_variables--1.0.sql pg_variables--1.0--1.1.sql
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EXTVERSION = 1.2
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DATA = pg_variables--1.0.sql pg_variables--1.0--1.1.sql pg_variables--1.1--1.2.sql
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DATA_built =$(EXTENSION)--$(EXTVERSION).sql
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PGFILEDESC = "pg_variables - sessional variables"

‎README.md

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@@ -91,6 +91,13 @@ Function | Returns
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`pgv_set(package text, name text, value anynonarray, is_transactional bool default false)` |`void`
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`pgv_get(package text, name text, var_type anynonarray, strict bool default true)` |`anynonarray`
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##Array variables functions
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Function | Returns
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-------- | -------
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`pgv_set(package text, name text, value anyarray, is_transactional bool default false)` |`void`
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`pgv_get(package text, name text, var_type anyarray, strict bool default true)` |`anyarray`
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##**Deprecated** scalar variables functions
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###Integer variables
@@ -181,7 +188,7 @@ Note that **pgv_stats()** works only with the PostgreSQL 9.6 and newer.
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##Examples
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It is easy to use functions to work with scalar variables:
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It is easy to use functions to work with scalarand arrayvariables:
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```sql
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SELECT pgv_set('vars','int1',101);
@@ -196,6 +203,13 @@ SELECT SELECT pgv_get('vars', 'text1', NULL::text);
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pgv_get
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---------------
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text variable
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SELECT pgv_set('vars','arr1','{101,102}'::int[]);
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SELECT pgv_get('vars','arr1',NULL::int[]);
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pgv_get
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-----------
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{101,102}
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```
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Let's assume we have a**tab** table:
@@ -246,6 +260,7 @@ You can list packages and variables:
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SELECT*FROM pgv_list()order by package, name;
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package | name | is_transactional
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---------+-------+------------------
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vars | arr1 | f
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vars | int1 | f
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vars | r1 | f
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vars | text1 | f
@@ -257,7 +272,7 @@ And get used memory in bytes:
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SELECT*FROM pgv_stats()order by package;
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package | allocated_memory
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---------+------------------
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vars |32768
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vars |49152
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```
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You can delete variables or whole packages:

‎pg_variables--1.1--1.2.sql

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@@ -0,0 +1,16 @@
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/* contrib/pg_variables/pg_variables--1.1--1.2.sql*/
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-- complain if script is sourced in psql, rather than via ALTER EXTENSION
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\echo Use"ALTER EXTENSION pg_variables UPDATE TO '1.2'" to load this file. \quit
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-- Functions to work with arrays
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CREATEFUNCTIONpgv_set(packagetext, nametext, value anyarray, is_transactional bool default false)
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RETURNS void
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AS'MODULE_PATHNAME','variable_set_array'
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LANGUAGE C VOLATILE;
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CREATEFUNCTIONpgv_get(packagetext, nametext, var_type anyarray, strict bool default true)
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RETURNS anyarray
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AS'MODULE_PATHNAME','variable_get_array'
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LANGUAGE C VOLATILE;

‎pg_variables.c

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@@ -237,6 +237,7 @@ VARIABLE_GET_TEMPLATE(0, 1, 2, jsonb, JSONBOID)
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/* current API */
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VARIABLE_GET_TEMPLATE(0,1,3,any,get_fn_expr_argtype(fcinfo->flinfo,2))
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VARIABLE_GET_TEMPLATE(0,1,3,array,get_fn_expr_argtype(fcinfo->flinfo,2))
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#defineVARIABLE_SET_TEMPLATE(type,typid) \
@@ -275,6 +276,7 @@ VARIABLE_SET_TEMPLATE(jsonb, JSONBOID)
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/* current API */
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VARIABLE_SET_TEMPLATE(any,get_fn_expr_argtype(fcinfo->flinfo,2))
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VARIABLE_SET_TEMPLATE(array,get_fn_expr_argtype(fcinfo->flinfo,2))
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Datum

‎pg_variables.control

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@@ -1,5 +1,5 @@
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# pg_variables extension
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comment = 'session variables with various types'
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default_version = '1.1'
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default_version = '1.2'
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module_pathname = '$libdir/pg_variables'
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relocatable = true

‎sql/pg_variables_any.sql

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@@ -139,6 +139,26 @@ SELECT pgv_get('vars', 'd1', NULL::jsonb);
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SELECT pgv_set('vars','jNULL',NULL::jsonb);
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SELECT pgv_get('vars','jNULL',NULL::jsonb);
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-- Array variables
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SELECT pgv_set('vars','arr1','{1, 2, null}'::int[]);
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SELECT pgv_set('vars','arr2','{"bar", "balance", "active"}'::text[]);
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SELECT pgv_set('vars2','j1','{1, 2, null}'::int[]);
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SELECT pgv_get('vars','arr1',NULL::int[]);
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SELECT pgv_get('vars','arr2',NULL::int[]);
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SELECT pgv_set('vars','arr1','{"bar", "balance", "active"}'::text[]);
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SELECT pgv_set('vars','arr1','{3, 4, 5}'::int[]);
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SELECT pgv_get('vars','arr1',NULL::int[]);
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SELECT pgv_get('vars','arr3',NULL::int[]);
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SELECT pgv_get('vars','arr3',NULL::int[], false);
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SELECT pgv_exists('vars','arr3');
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SELECT pgv_exists('vars','arr1');
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SELECT pgv_get('vars2','j1',NULL::int[]);
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SELECT pgv_set('vars','arrNULL',NULL::int[]);
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SELECT pgv_get('vars','arrNULL',NULL::int[]);
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-- Manipulate variables
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SELECT*FROM pgv_list()order by package, name;
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