Columns
Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||||||
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id | BIGINT | 19 | √ | null |
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contenthash | VARCHAR | 40 |
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sha1 hash of file content |
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pathnamehash | VARCHAR | 40 |
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complete file path sha1 hash - unique for each file |
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contextid | BIGINT | 19 | null |
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The context id defined in context table - identifies the instance of plugin owning the file |
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component | VARCHAR | 100 |
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Full name of the component owning the area |
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filearea | VARCHAR | 50 |
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Like "coursefiles". "submission", "intro" and "content" (images and swf linked from summaries), etc. |
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itemid | BIGINT | 19 | null |
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Optional - some plugin specific item id (eg. forum post, blog entry or assignment submission, user id for user files) |
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filepath | VARCHAR | 255 |
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Optional - relative path to file from module content root, useful in Scorm and Resource mod - most of the mods do not need this |
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filename | VARCHAR | 255 |
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The full Unicode name of this file (case sensitive) - some chars are not allowed though |
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userid | BIGINT | 19 | √ | null |
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Optional - general userid field - meaning depending on plugin |
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filesize | BIGINT | 19 | null |
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mimetype | VARCHAR | 100 | √ | null |
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type of file - jpeg image, open document spreadsheet |
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status | BIGINT | 19 | 0 |
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number greater than 0 means something is wrong with this file (virus, missing, etc.) |
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source | LONGTEXT | 2147483647 | √ | null |
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contains the reference if the file is imported from external sites |
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VARCHAR | 255 | √ | null |
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The original author of the file |
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license | VARCHAR | 255 | √ | null |
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license of the file to guide reuse |
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timecreated | BIGINT | 19 | null |
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timemodified | BIGINT | 19 | null |
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sortorder | BIGINT | 19 | 0 |
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order of files |
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referencefileid | BIGINT | 19 | √ | null |
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Use to indicate file is a proxy for repository file |
Indexes
Constraint Name | Type | Sort | Column(s) |
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PRIMARY | Primary key | Asc | id |
file_comfilconite_ix | Performance | Asc/Asc/Asc/Asc | component + filearea + contextid + itemid |
file_con2_ix | Performance | Asc | contextid |
file_con_ix | Performance | Asc | contenthash |
file_fil_ix | Performance | Asc | filename |
file_lic_ix | Performance | Asc | license |
file_pat_uix | Must be unique | Asc | pathnamehash |
file_ref_ix | Performance | Asc | referencefileid |
file_use_ix | Performance | Asc | userid |