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[DOP-13855] - update temporal mapping
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@maxim-lixakov
maxim-lixakov committed Apr 15, 2024
1 parent bd0df19 commit 24427a9
Showing 1 changed file with 18 additions and 21 deletions.
39 changes: 18 additions & 21 deletions docs/connection/db_connection/clickhouse/types.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ Numeric types
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
| Clickhouse type (read) | Spark type | Clickhouse type (write) | Clickhouse type (create) |
+================================+===================================+===============================+===============================+
| ``Bool`` | ``BooleanType()`` | ``UInt64`` | ``UInt64`` |
| ``Bool`` | ``BooleanType()`` | ``UInt64`` | ``UInt64`` |
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
| ``Decimal`` | ``DecimalType(P=10, S=0)`` | ``Decimal(P=10, S=0)`` | ``Decimal(P=10, S=0)`` |
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
Expand All @@ -143,9 +143,7 @@ Numeric types
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
| ``Decimal128(S=0..38)`` | ``DecimalType(P=38, S=0..38)`` | ``Decimal(P=38, S=0..38)`` | ``Decimal(P=38, S=0..38)`` |
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
| ``Decimal256(S=0..75)`` | unsupported [3]_ | | |
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
| ``Decimal256(76)`` | ``DecimalType(P=38, S=38)`` | ``DecimalType(P=38, S=38)`` | ``DecimalType(P=38, S=38)`` |
| ``Decimal256(S=0..76)`` | unsupported [3]_ | | |
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
| ``Float32`` | ``FloatType()`` | ``Float32`` | ``Float32`` |
+--------------------------------+-----------------------------------+-------------------------------+-------------------------------+
Expand Down Expand Up @@ -196,33 +194,32 @@ Notes:
* ``TIMESTAMP`` is alias for ``DateTime32``, but ``TIMESTAMP(N)`` is alias for ``DateTime64(N)``

+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| Clickhouse type (read) | Spark type | Clickhousetype (write) | Clickhouse type (create) |
| Clickhouse type (read) | Spark type | Clickhouse type (write) | Clickhouse type (create) |
+===================================+======================================+==================================+===============================+
| ``Date`` | ``DateType()`` | ``Date`` | ``Date`` |
+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| ``Date32`` | unsupported | | |
+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| ``DateTime32``, seconds | ``TimestampType()``, microseconds | ``DateTime64(6)``, microseconds | ``DateTime32``, seconds, |
| ``Date32`` | ``DateType()`` | ``Date`` | ``Date`` |
| | | | **cannot be inserted** [6]_ |
+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| ``DateTime64(3)``, milliseconds | ``TimestampType()``, microseconds | ``DateTime64(6)``, microseconds | ``DateTime32``, seconds, |
| | | | **precision loss** [5]_ |
| | | | |
+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| ``DateTime64(6)``, microseconds | ``TimestampType()``, microseconds | ``DateTime64(6)``, microseconds | ``DateTime32``, seconds, |
+-----------------------------------+--------------------------------------+----------------------------------+ **cannot be inserted** [6]_ |
| ``DateTime64(7..9)``, nanoseconds | ``TimestampType()``, microseconds, | ``DateTime64(6)``, microseconds, | |
| | **precision loss** [4]_ | **precision loss** [4]_ | |
| | | | |
| ``DateTime32``, seconds | ``TimestampType()`` | ``DateTime64(6)``, microseconds | ``DateTime32`` |
+-----------------------------------+--------------------------------------+----------------------------------+ seconds |
| ``DateTime64(3)``, milliseconds | ``TimestampType()`` | ``DateTime64(6)``, microseconds | **precision loss** [4]_ |
+-----------------------------------+--------------------------------------+----------------------------------+ |
| ``DateTime64(6)``, microseconds | ``TimestampType()`` | ``DateTime64(6)``, microseconds | |
+-----------------------------------+--------------------------------------+----------------------------------+ |
| ``-`` | ``TimestampNTZType()``, microseconds | ``DateTime64(6)`` | |
| ``DateTime64(7..9)``, nanoseconds | ``TimestampType()`` | ``DateTime64(6)`` | |
| | | microseconds | |
| | | **precision loss** [4]_ | |
+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| ``IntervalNanosecond`` | unsupported | | |
| ``-`` | ``TimestampNTZType()`` | ``DateTime64(6)`` | |
+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| ``IntervalNanosecond`` | ``LongType()`` | ```Int64`` | ``Int64`` |
+-----------------------------------+ | | |
| ``IntervalMicrosecond`` | | | |
+-----------------------------------+ | | |
| ``IntervalMillisecond`` | | | |
+-----------------------------------+--------------------------------------+----------------------------------+-------------------------------+
| ``IntervalSecond`` | ``IntegerType()`` | ``Int32`` | ``Int32`` |
+-----------------------------------+ | | |
| ``IntervalSecond`` | | | |
+-----------------------------------+ | | |
| ``IntervalMinute`` | | | |
+-----------------------------------+ | | |
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