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class EDC_CRITERION_IS_NULL [R_ -> EDC_RECORD, E_ -> COMPARABLE]
Summary
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Direct parents
Inherit list: EDC_FIELD_CRITERION
Overview
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Creation features
{EDC_FIELD}
  • make (a_comp_field: EDC_TYPED_FIELD[R_, E_], a_yes: BOOLEAN)
Features
{ANY}
{}
{ANY}
is_set: BOOLEAN
is True
constant attribute
{ANY}
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value (e: E_): EDC_CRITERION_IS_NULL [R_ -> EDC_RECORD, E_ -> COMPARABLE]
effective function
{ANY}
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field (f: EDC_FIELD[E_]): EDC_CRITERION_IS_NULL [R_ -> EDC_RECORD, E_ -> COMPARABLE]
effective function
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argument: EDC_CRITERION_IS_NULL [R_ -> EDC_RECORD, E_ -> COMPARABLE]
effective function
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make (a_comp_field: EDC_TYPED_FIELD[R_, E_], a_yes: BOOLEAN)
effective procedure
{}
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comp_field: EDC_TYPED_FIELD[R_, E_]
writable attribute
{}
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yes: BOOLEAN
writable attribute
{}
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True for IS_NULL, False for IS_NOT_NULL
infix "and" (other: EDC_CRITERION): EDC_CRITERION
effective function
{ANY}
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infix "or" (other: EDC_CRITERION): EDC_CRITERION
effective function
{ANY}
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prefix "not": EDC_CRITERION
effective function
{ANY}
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