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docs(outputs.postgresql): Improve TimescaleDB config examples (#12829)

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feld 2023-03-09 18:05:28 -05:00 committed by GitHub
parent 736f6ac5bb
commit f48b834a14
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1 changed files with 6 additions and 6 deletions
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12
plugins/outputs/postgresql/README.md
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@ -166,7 +166,7 @@ Documentation on how to write templates can be found [sqltemplate docs][1]
tags_as_foreign_keys = true
create_templates = [
'''CREATE TABLE {{ .table }} ({{ .columns }})''',
'''SELECT create_hypertable({{ .table|quoteLiteral }}, 'time', chunk_time_interval => INTERVAL '1h')''',
'''SELECT create_hypertable({{ .table|quoteLiteral }}, 'time', chunk_time_interval => INTERVAL '7d')''',
'''ALTER TABLE {{ .table }} SET (timescaledb.compress, timescaledb.compress_segmentby = 'tag_id')''',
]
```
@ -177,7 +177,7 @@ create_templates = [
tags_as_foreign_keys = true
create_templates = [
'''CREATE TABLE {{ .table }} ({{ .columns }})''',
'''SELECT create_distributed_hypertable({{ .table|quoteLiteral }}, 'time', partitioning_column => 'tag_id', number_partitions => (SELECT count(*) FROM timescaledb_information.data_nodes)::integer, replication_factor => 2, chunk_time_interval => INTERVAL '1h')''',
'''SELECT create_distributed_hypertable({{ .table|quoteLiteral }}, 'time', partitioning_column => 'tag_id', number_partitions => (SELECT count(*) FROM timescaledb_information.data_nodes)::integer, replication_factor => 2, chunk_time_interval => INTERVAL '7d')''',
'''ALTER TABLE {{ .table }} SET (timescaledb.compress, timescaledb.compress_segmentby = 'tag_id')''',
]
```
@ -218,9 +218,9 @@ tags_as_foreign_keys = true
schema = 'telegraf'
create_templates = [
'''CREATE TABLE {{ .table }} ({{ .allColumns }})''',
'''SELECT create_hypertable({{ .table|quoteLiteral }}, 'time', chunk_time_interval => INTERVAL '1h')''',
'''SELECT create_hypertable({{ .table|quoteLiteral }}, 'time', chunk_time_interval => INTERVAL '7d')''',
'''ALTER TABLE {{ .table }} SET (timescaledb.compress, timescaledb.compress_segmentby = 'tag_id')''',
'''SELECT add_compression_policy({{ .table|quoteLiteral }}, INTERVAL '2h')''',
'''SELECT add_compression_policy({{ .table|quoteLiteral }}, INTERVAL '14d')''',
'''CREATE VIEW {{ .table.WithSuffix "_data" }} AS SELECT {{ .allColumns.Selectors | join "," }} FROM {{ .table }}''',
'''CREATE VIEW {{ .table.WithSchema "public" }} AS SELECT time, {{ (.tagTable.Columns.Tags.Concat .allColumns.Fields).Identifiers | join "," }} FROM {{ .table.WithSuffix "_data" }} t, {{ .tagTable }} tt WHERE t.tag_id = tt.tag_id''',
]
@ -230,9 +230,9 @@ add_column_templates = [
'''DROP VIEW {{ .table.WithSchema "public" }}''',
'''CREATE TABLE {{ .table }} ({{ .allColumns }})''',
'''SELECT create_hypertable({{ .table|quoteLiteral }}, 'time', chunk_time_interval => INTERVAL '1h')''',
'''SELECT create_hypertable({{ .table|quoteLiteral }}, 'time', chunk_time_interval => INTERVAL '7d')''',
'''ALTER TABLE {{ .table }} SET (timescaledb.compress, timescaledb.compress_segmentby = 'tag_id')''',
'''SELECT add_compression_policy({{ .table|quoteLiteral }}, INTERVAL '2h')''',
'''SELECT add_compression_policy({{ .table|quoteLiteral }}, INTERVAL '14d')''',
'''CREATE VIEW {{ .table.WithSuffix "_data" }} AS SELECT {{ .allColumns.Selectors | join "," }} FROM {{ .table }} UNION ALL SELECT {{ (.allColumns.Union .table.Columns).Selectors | join "," }} FROM {{ .table.WithSuffix "_" .table.Columns.Hash "_data" }}''',
'''CREATE VIEW {{ .table.WithSchema "public" }} AS SELECT time, {{ (.tagTable.Columns.Tags.Concat .allColumns.Fields).Identifiers | join "," }} FROM {{ .table.WithSuffix "_data" }} t, {{ .tagTable }} tt WHERE t.tag_id = tt.tag_id''',
]