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Shifts the bits in the first argument to the left by n bits, where n is the second argument. Shifting left by n positions is equivalent to multiplying the number by 2^n.

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Syntax

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Parameters

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Return Types

The BIT_SHIFT_LEFT function returns a result of either type INT or BIGINT, depending on the type of the input <expression>.

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Examples

Example The following code example shifts 0001, the binary representation of 1, to the left by two bits, which yields 0100, the binary representation for 4:

Rows: 1Execution time: 6.13ms

Example The following code example shifts 00101, the binary representation of 5, to the left by two bits, which yields 10100, the binary representation of 20:

Rows: 1Execution time: 6.22ms

Example The following code example shifts the binary representation of -3, which is 1111111111111101 in signed two’s complement, one bit to the left, resulting in 1111111111111010, the binary signed two’s complement of -6:

Rows: 1Execution time: 5.09ms