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Description:

personalDatabase 2.2.5

Notes

about insert command
It is under the category of edit commands, which require committing after making the change.

Bug

insert method only allows for single insert and not bulk insert.
Corrected by changing a condition that checks if new table count is not one more than the previous table count to checking if both are the same. If they are, means that there is a problem, so return error.

Column types

timestamp

Concepts

timestamp

Base:

Minimum number of digits: 10
Any lower precision involve turning beginning digits to 0.

precision levels:
10 digits: seconds
13 digits: Millisecond
16 digits: microseconds
precision in python:

seconds: timestamp(0)
milliseconds: timestamp(3)

Change log
[2.2.5] - 2024-07-05
add:
fixed:
others:

Foundation: Changed insert function operation (see .2 and .3) such that it allows for bulk insert in a single command.
Previous operation - if the new table state after insert is not one more (count) than the previous table state, return an error.
New operation - If the new table state (count) is equal to the previous table state, return an error.

[2.2.4] - 2024-06-20
add:
fixed:

log_data package import problem involving conflicts due to codependency between log package and this package.
others:
Problem is solved (see fixed, 1) by making logging operations use their own database operations created from psycopg2 package. See change_log of log_data (patch 1.1.0)

[2.2.3] - 2024-06-19
add:
fixed:

In foundation, custom_logger class init cannot find any class called foundation(the database class). Attempting to rearrange custom_logger to the bottom of the foundation file to solve the problem.
others:

[2.2.2] - 2024-06-19
add:

Added log operation.
fixed:
others:

[2.2.1] - 2024-06-17
add:
fixed:

Foundation: bug in insert, involving the use of the self.execute function name when it should have been self.retrieve.
others:

[2.2.0] - 2024-06-17
add:

Foundation: Added insert commands
Foundation: connection variable added, for committing changes made by insert commands.
Foundation: check_for_edit_action checks if a command is of edit type, and what type of edit is being made.
fixed:
Foundation: execute command checks if the command is of type edit. Ensuring errors arising from running fetchall method after an executing an edit based command does not occur again.
others:
Foundation: Changed the name from execute to retrieve, since its operation (fetch all) generates error for edit based commands.

[2.1.1] - 2024-06-17
add:
fixed:

Foundation: Execution of scripts reliant on the package is slow because of code execution during testing phase that I forget to delete.
others:

[2.1.0] - 2024-06-16
add:

Foundation: added user parameter for database connection
Foundation: added host parameter for database connection
fixed:
others:
Foundation: changed port number from 5432 to 5433
Foundation: With the changes, initialising has two paths. One: default parameter with only data base name. Two: user and host specification alongside database name.

[2.0.0] - 2024-06-07
add:
fixed:
others:

Restructuring foundation: explicitly state the database to connect, within the script that uses the package, through the use of functions.
Available commands: execute, initialise

[1.0.0] - 2024-06-07
add:

function_usage: a script for retrieving or modifying data for logging_data table
actions: script for retrieving or modifying data for actions table
general_functionality: utility functions that act on databases. for example, count number of uniques.
fixed:
others:
remote_connection: An attempt to build a script to allow for remote connection to database.