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Apr 15, 2025
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Document --temp-path for import (#2262) #2268

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32 changes: 23 additions & 9 deletions modules/ROOT/pages/import.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
:rfc-4180: https://tools.ietf.org/html/rfc4180

`neo4j-admin database import` writes CSV data into Neo4j's native file format as fast as possible. +
Starting with version 5.26, Neo4j also provides support for the Parquet file format.
It also provides support for the Parquet file format.

You should use this tool when:

Expand Down Expand Up @@ -93,8 +93,8 @@ neo4j-admin database import full [-h] [--expand-commands] [--verbose] [--auto-sk
[--format=<format>] [--high-parallel-io=on|off|auto] [--id-type=string|integer|actual]
[--input-encoding=<character-set>] [--input-type=csv|parquet]
[--max-off-heap-memory=<size>] [--quote=<char>] [--read-buffer-size=<size>]
[--report-file=<path>] [--schema=<path>] [--threads=<num>] --nodes=[<label>[:
<label>]...=]<files>... [--nodes=[<label>[:<label>]...=]<files>...]...
[--report-file=<path>] [--schema=<path>] [--temp-path=<path>] [--threads=<num>]
--nodes=[<label>[:<label>]...=]<files>... [--nodes=[<label>[:<label>]...=]<files>...]...
[--relationships=[<type>=]<files>...]... [--multiline-fields=true|false|<path>[,
<path>] [--multiline-fields-format=v1|v2]] <database>
----
Expand Down Expand Up @@ -275,7 +275,7 @@ It can also be specified as a percentage of the available memory, for example `7
| {check-mark}

|--multiline-fields=true\|false\|<path>[,<path>]
|label:changed[Changed in 5.26] In v1, whether or not fields from an input source can span multiple lines, i.e. contain newline characters. Setting `--multiline-fields=true` can severely degrade the performance of the importer. Therefore, use it with care, especially with large imports. In v2, this option will specify the list of files that contain multiline fields. Files can also be specified using regular expressions.
|In v1, whether or not fields from an input source can span multiple lines, i.e. contain newline characters. Setting `--multiline-fields=true` can severely degrade the performance of the importer. Therefore, use it with care, especially with large imports. In v2, this option will specify the list of files that contain multiline fields. Files can also be specified using regular expressions.
|null
| {check-mark}
|
Expand Down Expand Up @@ -397,7 +397,14 @@ Skipped nodes will be logged if they are within the limit of entities specified
| Whether or not the lookup of nodes referred to from relationships needs to be checked strict.
If disabled, most but not all relationships referring to non-existent nodes will be detected.
If enabled all those relationships will be found but at the cost of lower performance.
|false label:changed[Changed in 5.8]
|false
| {check-mark}
| {check-mark}

|--temp-path=<path> label:new[Introduced in 2025.04]
|Provide a path where to store temporary files that are created and deleted during import.
If not specifically provided, the default temp path will be created inside the database directory of the imported database.
|
| {check-mark}
| {check-mark}

Expand Down Expand Up @@ -643,8 +650,8 @@ neo4j-admin database import incremental [-h] [--expand-commands] --force [--upda
[--input-encoding=<character-set>] [--input-type=csv|parquet]
[--max-off-heap-memory=<size>] [--quote=<char>] [--read-buffer-size=<size>]
[--report-file=<path>] [--schema=<path>] [--stage=all|prepare|build|merge]
[--threads=<num>] --nodes=[<label>[:<label>]...=]<files>... [--nodes=[<label>[:
<label>]...=]<files>...]... [--relationships=[<type>=]<files>...]...
[--temp-path=<path>] [--threads=<num>] --nodes=[<label>[:<label>]...=]<files>...
[--nodes=[<label>[: <label>]...=]<files>...]... [--relationships=[<type>=]<files>...]...
[--multiline-fields=true|false|<path>[,<path>]
[--multiline-fields-format=v1|v2]] <database>
----
Expand Down Expand Up @@ -845,7 +852,7 @@ It can also be specified as a percentage of the available memory, for example `7
| {check-mark}

|--multiline-fields=true\|false\|<path>[,<path>]
|label:changed[Changed in 5.26] In v1, whether or not fields from an input source can span multiple lines, i.e. contain newline characters. Setting `--multiline-fields=true` can severely degrade the performance of the importer. Therefore, use it with care, especially with large imports. In v2, this option will specify the list of files that contain multiline fields. Files can also be specified using regular expressions.
|In v1, whether or not fields from an input source can span multiple lines, i.e. contain newline characters. Setting `--multiline-fields=true` can severely degrade the performance of the importer. Therefore, use it with care, especially with large imports. In v2, this option will specify the list of files that contain multiline fields. Files can also be specified using regular expressions.
|null
| {check-mark}
|
Expand Down Expand Up @@ -971,7 +978,14 @@ For semi-online incremental import run `prepare` (on a stopped database) followe
| Whether or not the lookup of nodes referred to from relationships needs to be checked strict.
If disabled, most but not all relationships referring to non-existent nodes will be detected.
If enabled all those relationships will be found but at the cost of lower performance.
|false label:changed[Changed in 5.8]
|false
| {check-mark}
| {check-mark}

|--temp-path=<path> label:new[Introduced in 2025.04]
|Provide a path where to store temporary files that are created and deleted during import.
If not specifically provided, the default temp path will be created inside the database directory of the imported database.
|
| {check-mark}
| {check-mark}

Expand Down