104 lines
2.5 KiB
Plaintext
104 lines
2.5 KiB
Plaintext
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next release:
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more symbolic operators, array access a[5]? don't think this is
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standard sql, if not, leave for now. There is something about
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arrays in sql:2008
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row ctor: row(a,b) is fine, but also when there is 2 or more elements,
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the word row can be omitted: (a,b)
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fix lateral binding issue
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window frames and named windows
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review tests to copy from hssqlppp
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order by nulls first/last
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extend case
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group by extensions. Question: some of the syntax can be represented
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by app and row ctor, should this be reused or new syntax created
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(the standard has special syntax for cube and rollup).
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collate? -> postfix operator which binds very tightly:
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a < 'foo' collate 'C'
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->
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Op "<" [Iden "a", SpecialOp "collate" [StringLit 'foo', StringLit
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'C']]
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also postfix in order by:
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select a from t order by a collate 'C': add to order by syntax, one
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collation per column
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much more table reference tests, for joins and aliases etc.
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proper character sets for identifiers
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review internal sql collection for more syntax/tests
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all ansi sql operators
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review syntax to replace maybe and bool with better ctors
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----
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add to website: pretty printed tpch, maybe other queries as
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demonstration
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demo: convert tpch to sql server syntax exe processor
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----
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dialect framework
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try to implement fixity without the hse hack
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position annotation?
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review abstract syntax (e.g. combine App with SpecialOp?)
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----
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Later general tasks:
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sql server top syntax
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extended string literals, escapes and other flavours (like pg and
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oracle custom delimiters)
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run through other manuals for example queries and features: sql in a
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nutshell, sql guide, sql reference guide, sql standard, sql server
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manual, oracle manual, teradata manual + re-through postgresql
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manual and make notes in each case of all syntax and which isn't
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currently supported also.
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check the order of exports, imports and functions/cases in the files
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fix up the import namespaces/explicit names nicely
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do some tests for parse errors?
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left factor parsing code in remaining places
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quasi quotes?
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= sql support
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placeholder/positional arg
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full number literals -> other bases?
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apply, pivot
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within group aggregate syntax
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try to do full review of sql2003 query syntax
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make ansi dialect which only supports ansi sql. Maybe there is a use
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for a separate SQL 92, 99 and 2003 dialects?
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other dialect targets:
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postgres
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oracle
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teradata
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ms sql server
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mysql?
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db2?
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maybe later: other dml
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insert, update, delete, truncate, merge + set, show?
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