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Add Greatest, Least and NullIf DbFunctions
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Kevin Martin committed Sep 10, 2023
1 parent efe84db commit 38ba6c7
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338 changes: 338 additions & 0 deletions src/EFCore.PG/Extensions/DbFunctionsExtensions/NpgsqlDbFunctionsExtensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -137,4 +137,342 @@ public static int Distance(this DbFunctions _, DateOnly a, DateOnly b)
/// </remarks>
public static TimeSpan Distance(this DbFunctions _, DateTime a, DateTime b)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Distance)));

/// <summary>
/// Returns a <see langword="null"/> value if <paramref name="value1"/> equals <paramref name="value2"/>; otherwise it returns <paramref name="value1"/>.
/// </summary>
/// <remarks>
/// For more information on NullIf, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-NULLIF"/>.
/// </remarks>
public static T? NullIf<T>(this DbFunctions _, T value1, T value2)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(NullIf)));

#region Greatest

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13, T value14)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13, T value14, T value15)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

/// <summary>
/// Returns the greatest value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Greatest, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Greatest<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13, T value14, T value15, T value16)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Greatest)));

#endregion

#region Least

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13, T value14)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13, T value14, T value15)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

/// <summary>
/// Returns the least value from a list of any number of expressions.
/// </summary>
/// <remarks>
/// For more information on Least, see
/// <see href="https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-GREATEST-LEAST"/>.
/// </remarks>
public static T Least<T>(this DbFunctions _, T value1, T value2, T value3, T value4, T value5, T value6, T value7, T value8, T value9, T value10, T value11, T value12, T value13, T value14, T value15, T value16)
=> throw new InvalidOperationException(CoreStrings.FunctionOnClient(nameof(Least)));

#endregion
}
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