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- Map Functions – DuckDB 14602
- This page is for DuckDB 1.3, which is outdated.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
...SQL / Functions Copy Markdown Map Functions Name Description cardinality(map) Return the size of the map (or the number of entries in the map). element_at(map, key) Return the value for a given key as a list, or an empty list if the key is not contained...Check if a map contains a given key-value pair. map_contains_value(map, value) Checks if a map contains a given value. map_entries(map) Return a list of struct(k, v) for each key-value pair in the map. map_extract(map, key) Return the value for a given...type of the key provided in the second parameter must match the type of the map's keys; else, an error is thrown. map_from_entries(STRUCT(k, v)[]) Returns a map created from the entries of the array. map_keys(map) Return a list of all keys in the map. m... - https://man.mtool.work/duckdb/1.3/sql/functions/map.html
- ODBC API on Windows – DuckDB 11584
- This page is for DuckDB 1.3, which is outdated.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
...f the DuckDB ODBC Driver on Windows. It depends on the Odbccp32.dll that provides functions to configure the ODBC registry entries. Inside the permanent directory (e.g., duckdb_odbc ), double-click on the odbc_install.exe . Windows administrator privile...ameters, see the ODBC configuration page . Registry Keys The ODBC setup on Windows is based on registry keys (see Registry Entries for ODBC Components ). The ODBC entries can be placed at the current user registry key ( HKCU ) or the system registry key...( HKLM ). We have tested and used the system entries based on HKLM->SOFTWARE->ODBC . The odbc_install.exe changes this entry that has two subkeys: ODBC.INI and ODBCINST.INI .... - https://man.mtool.work/duckdb/1.3/clients/odbc/windows.html
- Struct Data Type – DuckDB 10213
- This page is for DuckDB 1.3, which is outdated.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
...SQL / Data Types Copy Markdown Struct Data Type Conceptually, a STRUCT column contains an ordered list of columns called “entries”. The entries are referenced by name using strings. This document refers to those entry names as keys. Each row in the STR...UCT column must have the same keys. The names of the struct entries are part of the schema . Each row in a STRUCT column must have the same layout. The names of the struct entries are case-i...ch as WHERE and HAVING clauses, and return BOOLEAN values . Comparisons are done in lexicographical order, with individual entries being compared as usual except that NULL values are treated as larger than all other values. Specifically: If all values o... - https://man.mtool.work/duckdb/1.3/sql/data_types/struct.html
- R-Tree Indexes – DuckDB 10083
- 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
...ree index using the WITH clause to control the behavior of the R-tree index. For example, to specify the maximum number of entries per node in the R-tree, you can use the max_node_capacity option: CREATE INDEX my_idx ON my_table USING RTREE ( geom ) WIT...an already populated table, a special bottom up "bulk loading algorithm" (Sort-Tile-Recursive) is used, which divides all entries into an already balanced tree as the total number of required nodes can be computed from the beginning. Additionally, usin...y_table USING RTREE ( geom ) WITH ( option = value ); ) Option Description Default max_node_capacity The maximum number of entries per node in the R-tree 128 min_node_capacity The minimum number of entries per node in the R-tree 0.4 * max_node_capacity... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/r-tree_indexes.html
- CSV Auto Detection – DuckDB 9120
- 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
...teformat and timestampformat options manually. The system considers the following formats for dates ( dateformat ). Higher entries are chosen over lower entries in case of ambiguities (i.e., ISO 8601 is preferred over MM-DD-YYYY ). dateformat ISO 8601 %...%d-%m-%y %d-%m-%Y %m-%d-%y %m-%d-%Y The system considers the following formats for timestamps ( timestampformat ). Higher entries are chosen over lower entries in case of ambiguities. timestampformat ISO 8601 %y-%m-%d %H:%M:%S %Y-%m-%d %H:%M:%S %d-%m-%... - https://man.mtool.work/duckdb/1.3/data/csv/auto_detection.html
- Linux – DuckDB 8989
- 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
...EXTENSIONS = 'autocomplete;httpfs;icu;json;tpch' GEN = ninja make Troubleshooting R Package on Linux AArch64: too many GOT entries Build Error Problem: Building the R package on Linux running on an ARM64 architecture (AArch64) may result in the followin...g error message: /usr/bin/ld: /usr/include/c++/10/bits/basic_string.tcc:206: warning: too many GOT entries for -fpic, please recompile with -fPIC Solution: Create or edit the ~/.R/Makevars file. This example also contains the MAK...ing the DuckDB CLI Client on Linux Building Using Extension Flags Troubleshooting R Package on Linux AArch64: too many GOT entries Build Error Building the httpfs Extension Fails... - https://man.mtool.work/duckdb/1.3/dev/building/linux.html
- Map Type – DuckDB 8989
- 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
...turns {key1=10, key2=20, key3=30} : SELECT MAP { 'key1' : 10 , 'key2' : 20 , 'key3' : 30 }; Alternatively use the map_from_entries function. This returns {key1=10, key2=20, key3=30} : SELECT map_from_entries ([( 'key1' , 10 ), ( 'key2' , 20 ), ( 'key3'...ns . 関連キーワード values keys nested type types list comparison also using extract ordered need single Keys bracket Maps entries contained used compare rules member Functions Documentation Types 関連するページ Data Types Map Functions Struct Data Type... - https://man.mtool.work/duckdb/1.3/sql/data_types/map.html
- Execution Format – DuckDB 8157
- 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
...the strings are not equal and don't need to chase any pointers). List Vectors List vectors are stored as a series of list entries together with a child Vector. The child vector contains the values that are present in the list, and the list entries spec... - https://man.mtool.work/duckdb/1.3/internals/vector.html
- HAVING Clause – DuckDB 7619
- 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
...ile the WHERE clause occurs before the grouping, the HAVING clause occurs after the grouping. Examples Count the number of entries in the addresses table that belong to each different city , filtering out cities with a count below 50: SELECT city , coun... - https://man.mtool.work/duckdb/1.3/sql/query_syntax/having.html
- Go Client – DuckDB 7472
- This page is for DuckDB 1.3, which is outdated. Switch to the current documentation . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Ove
...duckdb client, run: go get github.com/marcboeker/go-duckdb/v2 Importing To import the DuckDB Go package, add the following entries to your imports: import ( "database/sql" _ "github.com/marcboeker/go-duckdb/v2" ) Appender The DuckDB Go client supports t... - https://man.mtool.work/duckdb/1.3/clients/go.html
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