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docs(outputs.postgresql): Add example to create index for tag columns (#15322)

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Thomas Casteleyn 2024-05-08 18:23:53 +02:00 committed by GitHub
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plugins/outputs/postgresql/README.md
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@ -274,6 +274,17 @@ tag_table_add_column_templates = [
] ]
``` ```
#### Index
Create an index on time and tag columns for faster querying of data.
```toml
create_templates = [
'''CREATE TABLE {{ .table }} ({{ .columns }})''',
'''CREATE INDEX ON {{ .table }} USING btree({{ .columns.Keys.Identifiers | join "," }})'''
]
```
## Error handling ## Error handling
When the plugin encounters an error writing to the database, it attempts to When the plugin encounters an error writing to the database, it attempts to