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Tortoise ORM 0.21.7 Documentation
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Expressions
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<span class="md-ellipsis">Expressions</span>
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<li class="md-nav__item">
<a href="#q-expression" class="md-nav__link">
<span class="md-ellipsis">Q Expression</span>
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<nav class="md-nav" aria-label="Q Expression">
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<a href="#tortoise.expressions.Q" class="md-nav__link">
<span aria-label="Python class" class="objinfo-icon objinfo-icon__data" title="Python class">C</span><span title="tortoise.expressions.Q (Python class) — Q Expression container. Q Expressions are a useful tool to compose a query from many small parts." class="md-ellipsis">tortoise.<wbr>expressions.<wbr>Q</span>
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<span class="md-ellipsis">Parameters</span>
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<a href="#tortoise.expressions.Q.__init__.join_type" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.Q.__init__.join_type (Python parameter) — Is the join an AND or OR join type?" class="md-ellipsis">join_<wbr>type</span>
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<a href="#tortoise.expressions.Q.__init__.args" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.Q.__init__.args (Python parameter) — Inner Q expressions that you want to wrap." class="md-ellipsis">args</span>
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<a href="#tortoise.expressions.Q.__init__.kwargs" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.Q.__init__.kwargs (Python parameter) — Filter statements that this Q object should encapsulate." class="md-ellipsis">kwargs</span>
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<a href="#tortoise.expressions.Q.AND" class="md-nav__link">
<span aria-label="Python attribute" class="objinfo-icon objinfo-icon__alias" title="Python attribute">A</span><span title="tortoise.expressions.Q.AND (Python attribute)" class="md-ellipsis">AND</span>
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<li class="md-nav__item">
<a href="#tortoise.expressions.Q.OR" class="md-nav__link">
<span aria-label="Python attribute" class="objinfo-icon objinfo-icon__alias" title="Python attribute">A</span><span title="tortoise.expressions.Q.OR (Python attribute)" class="md-ellipsis">OR</span>
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<li class="md-nav__item">
<a href="#tortoise.expressions.Q.__and__" class="md-nav__link">
<span aria-label="Python method" class="objinfo-icon objinfo-icon__procedure" title="Python method">M</span><span title="tortoise.expressions.Q.__and__ (Python method) — Returns a binary AND of Q objects, use AND operator." class="md-ellipsis">__<wbr>and__<wbr></span>
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<span class="md-ellipsis">Raises</span>
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<a href="#tortoise.expressions.Q.__and__-return-type" class="md-nav__link">
<span class="md-ellipsis">Return type</span>
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<a href="#tortoise.expressions.Q.__invert__" class="md-nav__link">
<span aria-label="Python method" class="objinfo-icon objinfo-icon__procedure" title="Python method">M</span><span title="tortoise.expressions.Q.__invert__ (Python method) — Returns a negated instance of the Q object, use ~ operator." class="md-ellipsis">__<wbr>invert__<wbr></span>
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<a href="#tortoise.expressions.Q.__invert__-return-type" class="md-nav__link">
<span class="md-ellipsis">Return type</span>
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<a href="#tortoise.expressions.Q.__or__" class="md-nav__link">
<span aria-label="Python method" class="objinfo-icon objinfo-icon__procedure" title="Python method">M</span><span title="tortoise.expressions.Q.__or__ (Python method) — Returns a binary OR of Q objects, use OR operator." class="md-ellipsis">__<wbr>or__<wbr></span>
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<span aria-label="Python attribute" class="objinfo-icon objinfo-icon__alias" title="Python attribute">A</span><span title="tortoise.expressions.Q.children (Python attribute) — Contains the sub-Q's that this Q is made up of" class="md-ellipsis">children</span>
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<a href="#tortoise.expressions.Q.filters" class="md-nav__link">
<span aria-label="Python attribute" class="objinfo-icon objinfo-icon__alias" title="Python attribute">A</span><span title="tortoise.expressions.Q.filters (Python attribute) — Contains the filters applied to this Q" class="md-ellipsis">filters</span>
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<a href="#tortoise.expressions.Q.join_type" class="md-nav__link">
<span aria-label="Python attribute" class="objinfo-icon objinfo-icon__alias" title="Python attribute">A</span><span title="tortoise.expressions.Q.join_type (Python attribute) — Specifies if this Q does an AND or OR on its children" class="md-ellipsis">join_<wbr>type</span>
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<a href="#tortoise.expressions.Q.negate" class="md-nav__link">
<span aria-label="Python method" class="objinfo-icon objinfo-icon__procedure" title="Python method">M</span><span title="tortoise.expressions.Q.negate (Python method) — Negates the current Q object. (mutation)" class="md-ellipsis">negate</span>
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<span aria-label="Python method" class="objinfo-icon objinfo-icon__procedure" title="Python method">M</span><span title="tortoise.expressions.Q.resolve (Python method) — Resolves the logical Q chain into the parts of a SQL statement." class="md-ellipsis">resolve</span>
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<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.Q.resolve.model (Python parameter) — The Model this Q Expression should be resolved on." class="md-ellipsis">model</span>
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<a href="#tortoise.expressions.Q.resolve.table" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.Q.resolve.table (Python parameter) — pypika.Table to keep track of the virtual SQL table (to allow self referential joins)" class="md-ellipsis">table</span>
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<span class="md-ellipsis">F Expression</span>
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<span class="md-ellipsis">Subquery</span>
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<span class="md-ellipsis">Raw<wbr>SQL</span>
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<span class="md-ellipsis">Case-<wbr>When Expression</span>
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<span aria-label="Python class" class="objinfo-icon objinfo-icon__data" title="Python class">C</span><span title="tortoise.expressions.When (Python class) — When expression." class="md-ellipsis">tortoise.<wbr>expressions.<wbr>When</span>
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<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.When.__init__.args (Python parameter) — Q objects" class="md-ellipsis">args</span>
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<a href="#tortoise.expressions.When.__init__.kwargs" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.When.__init__.kwargs (Python parameter) — keyword criterion like filter" class="md-ellipsis">kwargs</span>
</a>
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<li class="md-nav__item">
<a href="#tortoise.expressions.When.__init__.then" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.When.__init__.then (Python parameter) — value for criterion" class="md-ellipsis">then</span>
</a>
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<a href="#tortoise.expressions.When.__init__.negate" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.When.__init__.negate (Python parameter) — false (default)" class="md-ellipsis">negate</span>
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<a href="#tortoise.expressions.Case" class="md-nav__link">
<span aria-label="Python class" class="objinfo-icon objinfo-icon__data" title="Python class">C</span><span title="tortoise.expressions.Case (Python class) — Case expression." class="md-ellipsis">tortoise.<wbr>expressions.<wbr>Case</span>
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<span class="md-ellipsis">Parameters</span>
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<a href="#tortoise.expressions.Case.__init__.args" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.Case.__init__.args (Python parameter) — When objects" class="md-ellipsis">args</span>
</a>
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<li class="md-nav__item">
<a href="#tortoise.expressions.Case.__init__.default" class="md-nav__link">
<span aria-label="Python parameter" class="objinfo-icon objinfo-icon__sub-data" title="Python parameter">p</span><span title="tortoise.expressions.Case.__init__.default (Python parameter) — value for 'CASE WHEN ... THEN ... ELSE <default> END'" class="md-ellipsis">default</span>
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