Purpose of nleft and nright

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Purpose of nleft and nright

Post by Doveman » 17 Nov 2017, 22:23

These 2 elements (nleft & nright) are found in mshop_catalog and mshop_locale_site. Can you tell me what they are used for. How is their value set?

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Re: Purpose of nleft and nright

Post by aimeos » 18 Nov 2017, 11:11

The tree data structure is a nested set and these columns contain the left/right value of each node:
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