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Query parser 3.0 (#23)

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* Starting query parsing

* Query parser

* working config

* disable by default

* fix tsets

* introducing log crate; test for query router; comments

* typo

* fixes for banning

* added test for prepared stmt
This commit is contained in:
Lev Kokotov
2022-02-18 07:10:18 -08:00
committed by GitHub
parent 4c8a3987fe
commit aa796289bf
8 changed files with 296 additions and 75 deletions
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12
pgcat.toml
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@@ -81,3 +81,15 @@ database = "shard2"
# replica: round-robin between replicas only without touching the primary,
# primary: all queries go to the primary unless otherwise specified.
default_role = "any"
# Query parser. If enabled, we'll attempt to parse
# every incoming query to determine if it's a read or a write.
# If it's a read query, we'll direct it to a replica. Otherwise, if it's a write,
# we'll direct it to the primary.
query_parser_enabled = false
# If the query parser is enabled and this setting is enabled, the primary will be part of the pool of databases used for
# load balancing of read queries. Otherwise, the primary will only be used for write
# queries. The primary can always be explicitely selected with our custom protocol.
primary_reads_enabled = true