PGQL implementation on TiDB#23

Draft

sleepymole wants to merge 24 commits into

tigraph:v6.0.0from

sleepymole:graph

Commits on Feb 1, 2022

parser: support `create/drop property graph` statement
sleepymole
committed

Commits on Feb 14, 2022

parser: support graph match statement
sleepymole
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Commits on Mar 8, 2022

ddl: support create/drop property graph statement
sleepymole
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Commits on Mar 9, 2022

*: support show stmt for graphs
sleepymole
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Commits on Mar 10, 2022

*: refine some code style
sleepymole
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Commits on Mar 15, 2022

planner: do some prepare work for build match plan
sleepymole
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Commits on Mar 16, 2022

build: bump go1.18
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Commits on Mar 18, 2022

planner: add subgraph abstraction
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Commits on Mar 20, 2022

planner: build a simple plan for subgraph
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Commits on Mar 26, 2022

Commits on Mar 29, 2022

*: use common graph table struct
sleepymole
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Commits on Apr 1, 2022

planner: rewrite ast for graph query
sleepymole
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Commits on Apr 3, 2022

planner: do some prepare work for build variable-legnth paths
sleepymole
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Commits on Apr 4, 2022

planner: build subgraph with group edge variables
sleepymole
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Commits on Apr 5, 2022

planner: check minHops for edge group
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Commits on Apr 14, 2022

Merge tag 'v6.0.0' into graph
sleepymole
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Commits on May 16, 2022

Commits on May 17, 2022

planner: refactor preprocess for graph query
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Commits on May 20, 2022

planner: tiny refactor subgraph builder
sleepymole
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Commits on May 29, 2022