mirror of
https://github.com/djrobstep/migra.git
synced 2024-08-16 09:10:46 +03:00
drop expression
support
This commit is contained in:
parent
3ff01951b2
commit
da6671acae
@ -276,7 +276,17 @@ def get_table_changes(
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inheritance_status_changed = c.is_inherited != c_before.is_inherited
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inheritance_status_changed = c.is_inherited != c_before.is_inherited
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if inheritance_status_changed or generated_status_changed:
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generated_status_removed = not c.is_generated and c_before.is_generated
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can_drop_generated = (
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generated_status_removed and c_before.can_drop_generated
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)
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drop_and_recreate_required = inheritance_status_changed or (
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generated_status_changed and not can_drop_generated
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)
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if drop_and_recreate_required:
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del c_modified[k]
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del c_modified[k]
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if not c_before.is_inherited:
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if not c_before.is_inherited:
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@ -285,6 +295,9 @@ def get_table_changes(
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if not c.is_inherited:
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if not c.is_inherited:
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c_added[k] = c
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c_added[k] = c
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if generated_status_changed:
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pass
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for k, c in c_removed.items():
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for k, c in c_removed.items():
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alter = v.alter_table_statement(c.drop_column_clause)
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alter = v.alter_table_statement(c.drop_column_clause)
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statements.append(alter)
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statements.append(alter)
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6
poetry.lock
generated
6
poetry.lock
generated
@ -334,7 +334,7 @@ jupyter = ["ipywidgets (>=7.5.1,<8.0.0)"]
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[[package]]
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[[package]]
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name = "schemainspect"
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name = "schemainspect"
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version = "3.1.1663062229"
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version = "3.1.1663480743"
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description = "Schema inspection for PostgreSQL (and possibly others)"
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description = "Schema inspection for PostgreSQL (and possibly others)"
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category = "main"
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category = "main"
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optional = false
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optional = false
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@ -742,8 +742,8 @@ rich = [
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{file = "rich-12.5.1.tar.gz", hash = "sha256:63a5c5ce3673d3d5fbbf23cd87e11ab84b6b451436f1b7f19ec54b6bc36ed7ca"},
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{file = "rich-12.5.1.tar.gz", hash = "sha256:63a5c5ce3673d3d5fbbf23cd87e11ab84b6b451436f1b7f19ec54b6bc36ed7ca"},
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]
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]
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schemainspect = [
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schemainspect = [
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{file = "schemainspect-3.1.1663062229-py3-none-any.whl", hash = "sha256:ca6ab497e90a1e4c4dd7406b1d38efdbf478d7c482408e3a8852b2dfa686a5f6"},
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{file = "schemainspect-3.1.1663480743-py3-none-any.whl", hash = "sha256:852813d0ee38985242373708b8441c5fbcff611d30dae013afb5cb7d7148c95a"},
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{file = "schemainspect-3.1.1663062229.tar.gz", hash = "sha256:625507658f4971a4a3cd0a4afe7ce40e66158fe5fcbd57f426e307434f5742e6"},
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{file = "schemainspect-3.1.1663480743.tar.gz", hash = "sha256:b042676ceffd189983f38a42042dfb19d86925f8c4f8bdd6d40334582fdb116b"},
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]
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]
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six = [
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six = [
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{file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
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{file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
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@ -14,7 +14,7 @@ python = ">=3.7,<4"
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sqlbag = "*"
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sqlbag = "*"
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six = "*"
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six = "*"
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# schemainspect = {path="../schemainspect", develop=true}
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# schemainspect = {path="../schemainspect", develop=true}
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schemainspect = ">=3.1.1658648837"
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schemainspect = ">=3.1.1663480743"
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psycopg2-binary = { version="*", optional = true }
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psycopg2-binary = { version="*", optional = true }
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[tool.poetry.dev-dependencies]
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[tool.poetry.dev-dependencies]
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15
tests/FIXTURES/generated/a.sql
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15
tests/FIXTURES/generated/a.sql
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@ -0,0 +1,15 @@
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-- create table t(
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-- a int,
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-- adding int,
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-- modifying int generated always as identity,
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-- removing int generated by default as identity
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-- );
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create table t();
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CREATE TABLE "demo_gencol" (
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"id" serial PRIMARY KEY, -- PRIMARY KEY
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"the_column" TEXT NULL GENERATED ALWAYS AS ('the original generated value') STORED, -- The column that is originally GENERATED, then changed not to be
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"the_column2" text
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);
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0
tests/FIXTURES/generated/additions.sql
Normal file
0
tests/FIXTURES/generated/additions.sql
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17
tests/FIXTURES/generated/b.sql
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17
tests/FIXTURES/generated/b.sql
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@ -0,0 +1,17 @@
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-- create table t(
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-- a int,
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-- adding int generated always as (1) stored,
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-- modifying int generated always as (1) stored,
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-- removing int
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-- );
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CREATE TABLE "demo_gencol" (
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"id" serial PRIMARY KEY, -- PRIMARY KEY
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"the_column" text,
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"the_column2" TEXT NULL GENERATED ALWAYS AS ('the original generated value') STORED -- The column that is originally GENERATED, then changed not to be
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);
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7
tests/FIXTURES/generated/expected.sql
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7
tests/FIXTURES/generated/expected.sql
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@ -0,0 +1,7 @@
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drop table "public"."t";
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alter table "public"."demo_gencol" drop column "the_column2";
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alter table "public"."demo_gencol" add column "the_column2" text generated always as ('the original generated value'::text) stored;
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alter table "public"."demo_gencol" alter column "the_column" drop expression;
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0
tests/FIXTURES/generated/expected2.sql
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0
tests/FIXTURES/generated/expected2.sql
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13
tests/FIXTURES/generated_added/a.sql
Normal file
13
tests/FIXTURES/generated_added/a.sql
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@ -0,0 +1,13 @@
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-- create table t(
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-- a int,
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-- adding int,
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-- modifying int generated always as identity,
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-- removing int generated by default as identity
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-- );
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create table t();
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CREATE TABLE "demo_gencol" (
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"id" serial PRIMARY KEY , -- PRIMARY KEY
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"the_column" TEXT NULL -- The column that is originally GENERATED, then changed not to be
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);
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0
tests/FIXTURES/generated_added/additions.sql
Normal file
0
tests/FIXTURES/generated_added/additions.sql
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13
tests/FIXTURES/generated_added/b.sql
Normal file
13
tests/FIXTURES/generated_added/b.sql
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@ -0,0 +1,13 @@
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-- create table t(
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-- a int,
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-- adding int generated always as (1) stored,
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-- modifying int generated always as (1) stored,
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-- removing int
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-- );
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CREATE TABLE "demo_gencol" (
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"id" serial PRIMARY KEY , -- PRIMARY KEY
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"the_column" TEXT NULL -- The column that is originally GENERATED, then changed not to be
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);
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1
tests/FIXTURES/generated_added/expected.sql
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1
tests/FIXTURES/generated_added/expected.sql
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@ -0,0 +1 @@
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alter table "public"."demo_gencol" alter column "the_column" drop expression;
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0
tests/FIXTURES/generated_added/expected2.sql
Normal file
0
tests/FIXTURES/generated_added/expected2.sql
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@ -11,11 +11,9 @@ create table "public"."t2" (
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alter table "public"."gen" drop column "adding";
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alter table "public"."gen" drop column "adding";
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alter table "public"."gen" drop column "removing";
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alter table "public"."gen" add column "adding" integer generated always as (1) stored;
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alter table "public"."gen" add column "adding" integer generated always as (1) stored;
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alter table "public"."gen" add column "removing" integer;
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alter table "public"."gen" alter column "removing" drop expression;
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alter table "public"."identchanges" alter column "c" drop default;
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alter table "public"."identchanges" alter column "c" drop default;
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@ -83,6 +83,7 @@ dependencies2
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dependencies3
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dependencies3
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dependencies4
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dependencies4
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constraints
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constraints
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generated
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""".split()
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""".split()
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