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PGQL implementation on TiDB #23

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PGQL implementation on TiDB #23

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ef0d393
parser: support `create/drop property graph` statement
sleepymole Jan 30, 2022
318866e
parser: support graph match statement
sleepymole Feb 13, 2022
0388c29
ddl: support create/drop property graph statement
sleepymole Mar 8, 2022
c355c4f
*: support show stmt for graphs
sleepymole Mar 8, 2022
105fe4b
*: refine some code style
sleepymole Mar 10, 2022
c11f51d
planner: do some prepare work for build match plan
sleepymole Mar 15, 2022
c4dabf9
build: bump go1.18
sleepymole Mar 16, 2022
16a6bab
planner: add subgraph abstraction
sleepymole Mar 18, 2022
ba419a6
planner: build a simple plan for subgraph
sleepymole Mar 20, 2022
38d6004
planner: support label function in match statement
sleepymole Mar 26, 2022
2d5022b
parser: fix missing field expr text in match statement
sleepymole Mar 26, 2022
9bcbabc
*: use common graph table struct
sleepymole Mar 29, 2022
54241f2
planner: rewrite ast for graph query
sleepymole Apr 1, 2022
f066db0
planner: do some prepare work for build variable-legnth paths
sleepymole Apr 3, 2022
8ee277b
planner: build subgraph with group edge variables
sleepymole Apr 4, 2022
68d1587
planner: check minHops for edge group
sleepymole Apr 5, 2022
dc78964
Merge tag 'v6.0.0' into graph
sleepymole Apr 14, 2022
82c4f76
planner: refactor subgraph abstraction
sleepymole May 15, 2022
ca5ddb3
sessionctx: add session variable to set default graph
sleepymole May 16, 2022
2c27a25
planner: refactor preprocess for graph query
sleepymole May 17, 2022
ecbf663
planner: tiny refactor subgraph builder
sleepymole May 20, 2022
502b1d4
planner: build columns and output names for shortest path
sleepymole May 29, 2022
0ff71bc
planner: add physical shortest path plan
sleepymole May 29, 2022
30db9d0
executor: initialize shortest path executor
sleepymole May 29, 2022
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2 changes: 2 additions & 0 deletions ddl/ddl.go
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Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,8 @@ type DDL interface {
CreatePlacementPolicy(ctx sessionctx.Context, stmt *ast.CreatePlacementPolicyStmt) error
DropPlacementPolicy(ctx sessionctx.Context, stmt *ast.DropPlacementPolicyStmt) error
AlterPlacementPolicy(ctx sessionctx.Context, stmt *ast.AlterPlacementPolicyStmt) error
CreatePropertyGraph(ctx sessionctx.Context, stmt *ast.CreatePropertyGraphStmt) error
DropPropertyGraph(ctx sessionctx.Context, stmt *ast.DropPropertyGraphStmt) error

// CreateSchemaWithInfo creates a database (schema) given its database info.
//
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