Move to use MariaDB's official Python client written in C instead of
the PyMySQL library. This change doesn't rid Frappe of the PyMySQL
library. Instead, it continues to utilize it for the ER module and
converter methods until the MariaDB library adds support for the same.
Ticket: https://jira.mariadb.org/projects/CONPY/issues/CONPY-203
* fix: misc fixes
local.x gets resetted on every request so switched to a simple dict
simplified is_val_used in set_next_val function for sequences
* chore: use multisql for sequence methods
* fix: fields not updating on form
* minor(base_input): removed unnecessary branching in update_input
* chore: remove prints and rename autoincremented_status_map
* chore: added proper type hint + comment + formatting
* fix: added searching in cast_name rather than handling it manually
* fix: share condition query + test_build_match_conditions
* fix: add cast_name to more places
* test: test for sequence
* fix: sequence functions
* fix: inherit frappetestcase
* minor: attach sequence methods to db context local
* chore: update sequence function names in Database
use frappe.db for sequences in naming.py
* fix: convert filename to str (for autoincremented doctypes)
* chore: better regex for modifying values for postgres
* minor: allow changing name column type (if no data is present in the doctype)
* refactor: validate_autoname
converted it to a simple function
enabled changing autoincrement autoname from customize form
* fix: use sql_ddl for change_column_type in postgres
* fix: use not null constraint in postgres when changing name type
* fix(test): updated test_autoincremented_doctype_transition with transitioning when no data is present
* fix(test): updated test_cast_name
probably messed up during rebase
* fix(test): used rollback upon error in transaction for postgres
* chore: use frappe.db.x methods for sequences
* minor: use temporary sequences in test
* minor: use generate_hash for sequence naming in sequence tests
* chore: replace sequence imports with frappe.db.x
* chore: move out casting name fields to a separate method
* refactor: cast_name
more explicit cases for casts and added docstring
* fix: added space in test_cast_name
* chore: fix linter
* chore: better naming for can_change_name_column_type
* chore: add comment for autoincremented_site_status_map
* chore: update/add docstrings
## Issue
`frappe.db.bulk_insert` is not working as expected:
- It will not insert any row if there are less than 3 values
- It will not add 1st row at all. e.g if I'm adding 5 values, it will only add 4.
- It will add values one by one after 2 values, instead it should have inserted items (in db) in chunk of 10000 (as per the code written before).
## Changes Made
- Solved above issues
- use better way to chunk list
- Added Postgres support for bulk_insert API
And now `bulk_insert` will only do **1 db call for each 10000** values.
Note: For testing purpose I made `Test Bulk Insert` doctype and keep chunk size of 100.
## Before

## After

nodocs
Similar to set_value for accepting multiple columns ot be updated for
the same Table through a Dict as the second positional arg
Misc: Added type hints
* feat: log errors on too many writes to ease debugging
* fix(ux): extract and show which app/file/function caused too many writes
* fix: postgres error checking assumes exception is postgres exception
* fix: better default for skipping frames
Typically stack is like: some_app -> your_function -> this function. So last 2 frames need to be skipped.
* fix: postgres error checking assumes exception is postgres exception
* fix: better default for skipping frames
Typically stack is like: some_app -> your_function -> this function. So last 2 frames need to be skipped.
* refactor: show Report button instead of logging
* revert: unnecessary new functionality
* test: assert exact exception
Co-authored-by: Ankush Menat <ankush@frappe.io>
Alias to frappe.db.set_value without having to pass the doctype name
twice or teh second one as None
Other changes:
* set/get db APIs for single DocTypes
* Make use of redundant cache key in frappe.db.get_single_value
If no docnames are found, then use NULL as fallback. I tested this on PostgreSQL & MariaDB and it seems to work as expected
In [1]: from frappe.query_builder import Field
In [2]: frappe.db.set_value('ToDo', Field("creation") > Field("modified"), 'description', 'change 2', for_update=True, debug=True)
SELECT "name" FROM "tabToDo" WHERE "creation">"modified"
Execution time: 0.0 sec
UPDATE "tabToDo" SET "description"='change 2',"modified"='2021-10-22 09:38:40.110481',"modified_by"='Administrator' WHERE "name" IN (NULL)
Execution time: 0.0 sec