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docs: Add missing methods for table and namespace manipulation #2942
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| Original file line number | Diff line number | Diff line change |
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@@ -80,6 +80,15 @@ Or, list existing namespaces: | |
| ns = catalog.list_namespaces() | ||
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| assert ns == [("docs_example",)] | ||
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| # Load namespace properties | ||
| properties = catalog.load_namespace_properties("docs_example") | ||
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| # Update namespace properties | ||
| catalog.update_namespace_properties("docs_example", updates={"owner": "iceberg"}) | ||
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| # Drop a namespace | ||
| # catalog.drop_namespace("docs_example") | ||
| ``` | ||
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| ## Create a table | ||
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@@ -165,8 +174,20 @@ with catalog.create_table_transaction(identifier="docs_example.bids", schema=sch | |
| update_spec.add_identity("symbol") | ||
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| txn.set_properties(test_a="test_aa", test_b="test_b", test_c="test_c") | ||
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Contributor
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. There's a markdown syntax issue here, and we lost the closing back ticks. I'd suggest deploying the docs and comparing to current site |
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| ## Register a table | ||
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| To register a table using existing metadata: | ||
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| ```python | ||
| catalog.register_table( | ||
| identifier="docs_example.bids", | ||
| metadata_location="s3://warehouse/path/to/metadata.json" | ||
| ) | ||
| ``` | ||
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| ```python | ||
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Contributor
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. |
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| ## Load a table | ||
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| There are two ways of reading an Iceberg table; through a catalog, and by pointing at the Iceberg metadata directly. Reading through a catalog is preferred, and directly pointing at the metadata is read-only. | ||
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@@ -216,6 +237,31 @@ catalog.table_exists("docs_example.bids") | |
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| Returns `True` if the table already exists. | ||
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| ## Rename a table | ||
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| To rename a table: | ||
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| ```python | ||
| catalog.rename_table( | ||
| from_identifier="docs_example.bids", | ||
| to_identifier="docs_example.bids_backup" | ||
| ) | ||
| ``` | ||
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| ## Drop a table | ||
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| To drop a table: | ||
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| ```python | ||
| catalog.drop_table("docs_example.bids") | ||
| ``` | ||
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| To drop a table and purge all data and metadata files: | ||
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| ```python | ||
| catalog.purge_table("docs_example.bids") | ||
| ``` | ||
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| ## Write to a table | ||
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| Reading and writing is being done using [Apache Arrow](https://arrow.apache.org/). Arrow is an in-memory columnar format for fast data interchange and in-memory analytics. Let's consider the following Arrow Table: | ||
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Nit: not blocking but maybe we can add that we can remove properties with the
removalsparam: