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a738295805
Currently supported by PostgreSQL 9.4+ and SQLite 3.30+ See: - http://modern-sql.com/feature/filter - https://www.postgresql.org/docs/9.4/static/sql-expressions.html#SYNTAX-AGGREGATES - https://sqlite.org/lang_aggfunc.html#aggfilter Example: Model.all.pluck( Arel.star.count.as('records_total').to_sql, Arel.star.count.filter(Model.arel_table[:some_column].not_eq(nil)).as('records_filtered').to_sql, )
71 lines
1.7 KiB
Ruby
71 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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# node
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require "arel/nodes/node"
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require "arel/nodes/node_expression"
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require "arel/nodes/select_statement"
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require "arel/nodes/select_core"
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require "arel/nodes/insert_statement"
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require "arel/nodes/update_statement"
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require "arel/nodes/bind_param"
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# terminal
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require "arel/nodes/terminal"
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require "arel/nodes/true"
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require "arel/nodes/false"
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# unary
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require "arel/nodes/unary"
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require "arel/nodes/grouping"
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require "arel/nodes/homogeneous_in"
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require "arel/nodes/ordering"
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require "arel/nodes/ascending"
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require "arel/nodes/descending"
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require "arel/nodes/unqualified_column"
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require "arel/nodes/with"
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# binary
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require "arel/nodes/binary"
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require "arel/nodes/equality"
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require "arel/nodes/filter"
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require "arel/nodes/in"
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require "arel/nodes/join_source"
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require "arel/nodes/delete_statement"
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require "arel/nodes/table_alias"
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require "arel/nodes/infix_operation"
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require "arel/nodes/unary_operation"
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require "arel/nodes/over"
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require "arel/nodes/matches"
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require "arel/nodes/regexp"
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# nary
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require "arel/nodes/and"
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# function
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# FIXME: Function + Alias can be rewritten as a Function and Alias node.
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# We should make Function a Unary node and deprecate the use of "aliaz"
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require "arel/nodes/function"
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require "arel/nodes/count"
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require "arel/nodes/extract"
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require "arel/nodes/values_list"
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require "arel/nodes/named_function"
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# windows
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require "arel/nodes/window"
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# conditional expressions
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require "arel/nodes/case"
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# joins
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require "arel/nodes/full_outer_join"
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require "arel/nodes/inner_join"
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require "arel/nodes/outer_join"
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require "arel/nodes/right_outer_join"
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require "arel/nodes/string_join"
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require "arel/nodes/comment"
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require "arel/nodes/sql_literal"
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require "arel/nodes/casted"
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