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View Code? Open in Web Editor NEWSQL Relational Algebra for Go.
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Implement and Test SQL function Nodes and Visitors
The following SQL functions need to have nodes proper tests for version 0.2.0 release. The function should be a nary node struct, with members for the expressions, a potential alias, and boolean flag for distinct.
- AVG
- COUNT
- MAX
- MIN
- SUM
Tests for Nodes
The following Nodes need to have proper tests for version 0.2.0 release.
- Equal
- NotEqual
- GreaterThan
- GreaterThanOrEqual
- LessThan
- LessThanOrEqual
- Like
- Unlike
- And
- Or
- Attribute
Tests for Visitors Methods
The following Visitor Methods need to have proper tests for version 0.2.0 release.
ToSqlVisitor
- Accept
- Visit
- VisitAssignment
- VisitEqual
- VisitNotEqual
- VisitGreaterThan
- VisitGreaterThanOrEqual
- VisitLessThan
- VisitLessThanOrEqual
- VisitLike
- VisitUnlike
- VisitOr
- VisitAnd
- VisitRelation
- VisitAttribute
- VisitGrouping
- VisitNot
- VisitLiteral
- VisitInnerJoin
- VisitOuterJoin
- VisitOn
- VisitUnqualifiedColumn
- VisitLimit
- VisitOffset
- VisitJoinSource
- VisitSelectCore
- VisitSelectStatement
- VisitValues
- VisitInsertStatement
- VisitUpdateStatement
- VisitDeleteStatement
- VisitString
- VisitInteger
- VisitFloat
- VisitBool
- QuoteTableName
- QuoteColumnName
PostgresVisitor
- VisitLike
- VisitUnlike
Add visitor for bytea/BLOB types?
A possible enhancement for inserts & updates.
When passing a Go value of type []byte to codex through Insert() or Set() it returns the error:
No visitor method for <[]uint8>. after calling ToSql()
I know the lib/pq driver for Postgres natively supports passing []bytes as a paramater for columns of type bytea, and I imagine most other databases would support this as a BLOB though I don't know how their Go driver's handle it.
Documentation
The following packages and their members need to have proper documentation for version 0.2.0 release.
- codex
- codex/tree/nodes
- codex/tree/managers
Error installing via steps in README
in ~/gocode
○ → go get -u github.com/chuckpreslar/codex
package github.com/chuckpreslar/codex
imports codex/tree/nodes: unrecognized import path "codex/tree/nodes"
package github.com/chuckpreslar/codex
imports codex/tree/visitors: unrecognized import path "codex/tree/visitors"Tests for Managers
The following Managers need to have proper tests for version 0.2.0 release.
- SelectManager
- InsertManager
- UpdateManager
- DeleteManager
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