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How to migrate a SQLite database to PostgreSQL?
A standard data type conversion from SQLite to PostgreSQL is done. When this option is listed, pgloader skips the creation of table before loading data, target tables must then already exist.
What to do when loading from a SQLite database?
When loading from a SQLite database, the following options are supported: When loading from a SQLite database, the following options are supported, and the default WITH clause is: no truncate, create tables, include drop, create indexes, reset sequences, downcase identifiers, encoding ‘utf-8’.
How does pgloader drop table in PostgreSQL?
When this option is listed, pgloader drops all the tables in the target PostgreSQL database whose names appear in the SQLite database. This option allows for using the same command several times in a row until you figure out all the options, starting automatically from a clean environment.
How to load a SQLite file in pgloader?
This command instructs pgloader to load data from a SQLite file. Automatic discovery of the schema is supported, including build of the indexes. The sqlite command accepts the following clauses and options. Path or HTTP URL to a SQLite file, might be a .zip file.
How does the pgloader command work in PostgreSQL?
The pgloader command works by copying source data, either from a file or directly from a database, and inserting it into a PostgreSQL database. For this reason, you must either run pgLoader as a Linux user who has access to your Postgres database or you must specify a PostgreSQL role with the appropriate permissions in your load command.
How to convert MySQL identifiers to downcase in pgloader?
When this option is listed, pgloader converts all MySQL identifiers (table names, index names, column names) to downcase, except for PostgreSQL reserved keywords. The PostgreSQL reserved keywords are determined dynamically by using the system function pg_get_keywords ().
How to create an index against a PostgreSQL database?
When this option is listed, pgloader gets the definitions of all the indexes found in the SQLite database and create the same set of index definitions against the PostgreSQL database. When this option is listed, pgloader skips the creating indexes.
How to update a pgSQL table using ogr2ogr?
So, to update with new datas, I would like to do so: BUT pgsql doesn’t like that at all! I want it to replace data with the same PK by the new one, but it wants to keep the old one and take the new one, which is not possible of course, so the message is: