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Types – DuckDB 12362
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... PE_TIME_TZ = 30 , DUCKDB_TYPE_TIMESTAMP_TZ = 31 , } duckdb_type ; Functions The enum type of a column in the result can be obtained using the duckdb_column_type function. The logical type of a column can be obtained using the duckdb_column_logical_type f ... ckdb_date_struct ). Syntax duckdb_date_struct duckdb_from_date ( duckdb_date date ); Parameters date : The date object, as obtained from a DUCKDB_TYPE_DATE column. Return Value The duckdb_date_struct with the decomposed elements. duckdb_to_date Re-compos ... see if it is a finite value. Syntax bool duckdb_is_finite_date ( duckdb_date date ); Parameters date : The date object, as obtained from a DUCKDB_TYPE_DATE column. Return Value True if the date is finite, false if it is ±infinity. duckdb_from_time Decomp ...
https://man.mtool.work/duckdb/1.3/clients/c/types.html
Vectors – DuckDB 11133
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... st be taken when using them. Vector Format Vectors are arrays of a specific data type. The logical type of a vector can be obtained using duckdb_vector_get_column_type . The type id of the logical type can then be obtained using duckdb_get_type_id . Vect ... ors themselves do not have sizes. Instead, the parent data chunk has a size (that can be obtained through duckdb_data_chunk_get_size ). All vectors that belong to a data chunk have the same size. Primitive Types For prim ... itive types, the underlying array can be obtained using the duckdb_vector_get_data method. The array can then be accessed using the correct native type. Below is a table th ...
https://man.mtool.work/duckdb/1.3/clients/c/vector.html
Complete API – DuckDB 10157
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... ckdb_date_struct ). Syntax duckdb_date_struct duckdb_from_date ( duckdb_date date ); Parameters date : The date object, as obtained from a DUCKDB_TYPE_DATE column. Return Value The duckdb_date_struct with the decomposed elements. duckdb_to_date Re-compos ... see if it is a finite value. Syntax bool duckdb_is_finite_date ( duckdb_date date ); Parameters date : The date object, as obtained from a DUCKDB_TYPE_DATE column. Return Value True if the date is finite, false if it is ±infinity. duckdb_from_time Decomp ... ckdb_time_struct ). Syntax duckdb_time_struct duckdb_from_time ( duckdb_time time ); Parameters time : The time object, as obtained from a DUCKDB_TYPE_TIME column. Return Value The duckdb_time_struct with the decomposed elements. duckdb_create_time_tz Cr ...
https://man.mtool.work/duckdb/1.3/clients/c/api.html
Data Chunks – DuckDB 8368
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... al slice of a table. They hold a number of vectors , that can each hold up to the VECTOR_SIZE rows. The vector size can be obtained through the duckdb_vector_size function and is configurable, but is usually set to 2048 . Data chunks and vectors are what ... re knowledge of DuckDB's internal vector format. Data chunks can be used in two manners: Reading Data : Data chunks can be obtained from query results using the duckdb_fetch_chunk method, or as input to a user-defined function. In this case, the vector m ...
https://man.mtool.work/duckdb/1.3/clients/c/data_chunk.html
S3 Express One – DuckDB 7681
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... llowing pattern: s3express - availability_zone . region .amazonaws.com where the availability_zone (e.g., use-az5 ) can be obtained from the S3 Express One bucket's configuration page and the region is the AWS region (e.g., us-east-1 ). For example, to a ...
https://man.mtool.work/duckdb/1.3/guides/network_cloud_storage/s3_express_one.ht...
Prepared Statements – DuckDB 7555
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... ement parameters can be inspected using duckdb_nparams and duckdb_param_type . In case the prepare fails, the error can be obtained through duckdb_prepare_error . It is not required that the duckdb_bind family of functions matches the prepared statement ...
https://man.mtool.work/duckdb/1.3/clients/c/prepared.html
Subqueries – DuckDB 7555
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... OM grades ; min(grade) 7 By using a scalar subquery in the WHERE clause, we can figure out for which course this grade was obtained: SELECT course FROM grades WHERE grade = ( SELECT min ( grade ) FROM grades ); course Math Subquery Comparisons: ALL , ANY ...
https://man.mtool.work/duckdb/1.3/sql/expressions/subqueries.html
Numeric Types – DuckDB 7410
This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview ... ore complex mathematical operations, however, floating-point arithmetic is used internally and more precise results can be obtained if intermediate steps are not cast to fixed point formats of the same width as in- and outputs. For example, (10::FLOAT / ...
https://man.mtool.work/duckdb/1.3/sql/data_types/numeric.html
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